diff --git a/src/ElectronNET.IntegrationTests/ElectronFixture.cs b/src/ElectronNET.IntegrationTests/ElectronFixture.cs
new file mode 100644
index 0000000..68a1ec9
--- /dev/null
+++ b/src/ElectronNET.IntegrationTests/ElectronFixture.cs
@@ -0,0 +1,43 @@
+namespace ElectronNET.IntegrationTests
+{
+    using System.Reflection;
+    using ElectronNET.API;
+    using ElectronNET.API.Entities;
+
+    // Shared fixture that starts Electron runtime once
+    public class ElectronFixture : IAsyncLifetime
+    {
+        public BrowserWindow MainWindow { get; private set; } = null!;
+
+        public async Task InitializeAsync()
+        {
+            AppDomain.CurrentDomain.SetData("ElectronTestAssembly", Assembly.GetExecutingAssembly());
+            var runtimeController = ElectronNetRuntime.RuntimeController;
+            await runtimeController.Start();
+            await runtimeController.WaitReadyTask;
+
+            // create hidden window for tests (avoid showing UI)
+            this.MainWindow = await Electron.WindowManager.CreateWindowAsync(new BrowserWindowOptions
+            {
+                Show = false,
+                Width = 800,
+                Height = 600,
+            });
+
+            // Clear potential cache side-effects
+            await this.MainWindow.WebContents.Session.ClearCacheAsync();
+        }
+
+        public async Task DisposeAsync()
+        {
+            var runtimeController = ElectronNetRuntime.RuntimeController;
+            await runtimeController.Stop();
+            await runtimeController.WaitStoppedTask;
+        }
+    }
+
+    [CollectionDefinition("ElectronCollection")]
+    public class ElectronCollection : ICollectionFixture<ElectronFixture>
+    {
+    }
+}
\ No newline at end of file
diff --git a/src/ElectronNET.IntegrationTests/ElectronNET.IntegrationTests.csproj b/src/ElectronNET.IntegrationTests/ElectronNET.IntegrationTests.csproj
new file mode 100644
index 0000000..f13ae15
--- /dev/null
+++ b/src/ElectronNET.IntegrationTests/ElectronNET.IntegrationTests.csproj
@@ -0,0 +1,39 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <!-- When this is enabled, the project will be switched from nuget packages to consuming the ElectronNet orchestration directly -->
+    <ElectronNetDevMode>true</ElectronNetDevMode>
+  </PropertyGroup>
+
+  <Import Project="..\ElectronNET\build\ElectronNET.props" Condition="$(ElectronNetDevMode)" />
+
+  <PropertyGroup>
+    <TargetFramework>net8.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+    <IsPackable>false</IsPackable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.11.1" />
+    <PackageReference Include="xunit" Version="2.9.2" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="2.8.2">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+    </PackageReference>
+    <PackageReference Include="FluentAssertions" Version="6.12.0" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\ElectronNET.API\ElectronNET.API.csproj" />
+    <ProjectReference Include="..\ElectronNET\ElectronNET.csproj" />
+  </ItemGroup>
+
+  <PropertyGroup>
+    <!-- Disable test parallelization at runner level to avoid multiple Electron instances -->
+    <ParallelizeTestCollections>false</ParallelizeTestCollections>
+  </PropertyGroup>
+
+  <Import Project="..\ElectronNET\build\ElectronNET.targets" Condition="$(ElectronNetDevMode)" />
+
+</Project>
diff --git a/src/ElectronNET.IntegrationTests/GlobalUsings.cs b/src/ElectronNET.IntegrationTests/GlobalUsings.cs
new file mode 100644
index 0000000..7fef4b0
--- /dev/null
+++ b/src/ElectronNET.IntegrationTests/GlobalUsings.cs
@@ -0,0 +1,2 @@
+global using Xunit;
+global using FluentAssertions;
\ No newline at end of file
diff --git a/src/ElectronNET.IntegrationTests/Properties/electron-builder.json b/src/ElectronNET.IntegrationTests/Properties/electron-builder.json
new file mode 100644
index 0000000..41f483c
--- /dev/null
+++ b/src/ElectronNET.IntegrationTests/Properties/electron-builder.json
@@ -0,0 +1,19 @@
+{
+  "$schema": "https://raw.githubusercontent.com/electron-userland/electron-builder/refs/heads/master/packages/app-builder-lib/scheme.json",
+  "compression": "maximum",
+  "linux": {
+    "target": [
+      "tar.xz"
+    ],
+    "executableArgs": [ "--no-sandbox" ],
+    "artifactName": "${name}-${arch}-${version}.${ext}"
+  },
+  "win": {
+    "target": [
+      {
+        "target": "portable",
+        "arch": "x64"
+      }
+    ]
+  }
+}
\ No newline at end of file
diff --git a/src/ElectronNET.IntegrationTests/Tests/AppTests.cs b/src/ElectronNET.IntegrationTests/Tests/AppTests.cs
new file mode 100644
index 0000000..3e77d27
--- /dev/null
+++ b/src/ElectronNET.IntegrationTests/Tests/AppTests.cs
@@ -0,0 +1,166 @@
+namespace ElectronNET.IntegrationTests.Tests
+{
+    using System.Runtime.InteropServices;
+    using ElectronNET.API;
+    using ElectronNET.API.Entities;
+    using System;
+    using System.IO;
+    using System.Threading.Tasks;
+
+    [Collection("ElectronCollection")]
+    public class AppTests
+    {
+        // ReSharper disable once NotAccessedField.Local
+        private readonly ElectronFixture fx;
+        public AppTests(ElectronFixture fx)
+        {
+            this.fx = fx;
+        }
+
+        [Fact]
+        public async Task Can_get_app_path()
+        {
+            var path = await Electron.App.GetAppPathAsync();
+            path.Should().NotBeNullOrWhiteSpace();
+            Directory.Exists(path).Should().BeTrue();
+        }
+
+        [Fact]
+        public async Task Can_get_version_and_locale()
+        {
+            var version = await Electron.App.GetVersionAsync();
+            version.Should().NotBeNullOrWhiteSpace();
+            var locale = await Electron.App.GetLocaleAsync();
+            locale.Should().NotBeNullOrWhiteSpace();
+        }
+
+        [Fact]
+        public async Task Can_get_special_paths()
+        {
+            var userData = await Electron.App.GetPathAsync(PathName.UserData);
+            userData.Should().NotBeNullOrWhiteSpace();
+            Directory.Exists(Path.GetDirectoryName(userData) ?? userData).Should().BeTrue();
+
+            var temp = await Electron.App.GetPathAsync(PathName.Temp);
+            temp.Should().NotBeNullOrWhiteSpace();
+            Directory.Exists(temp).Should().BeTrue();
+        }
+
+
+        [Fact]
+        public async Task Badge_count_roundtrip_where_supported()
+        {
+            if (RuntimeInformation.IsOSPlatform(OSPlatform.OSX) || RuntimeInformation.IsOSPlatform(OSPlatform.Linux))
+            {
+                var ok = await Electron.App.SetBadgeCountAsync(3);
+                ok.Should().BeTrue();
+                var count = await Electron.App.GetBadgeCountAsync();
+                count.Should().Be(3);
+                // reset
+                await Electron.App.SetBadgeCountAsync(0);
+            }
+            else
+            {
+                // On Windows it's usually unsupported; ensure badge query works and returns a non-negative value
+                await Electron.App.SetBadgeCountAsync(0); // ignore return value
+                var count = await Electron.App.GetBadgeCountAsync();
+                count.Should().BeGreaterOrEqualTo(0);
+            }
+        }
+
+        [Fact]
+        public async Task Can_get_app_metrics()
+        {
+            var metrics = await Electron.App.GetAppMetricsAsync();
+            metrics.Should().NotBeNull();
+            metrics.Length.Should().BeGreaterThan(0);
+        }
+
+        [Fact]
+        public async Task Can_get_gpu_feature_status()
+        {
+            var status = await Electron.App.GetGpuFeatureStatusAsync();
+            status.Should().NotBeNull();
+        }
+
+        [Fact]
+        public async Task Can_get_login_item_settings()
+        {
+            var settings = await Electron.App.GetLoginItemSettingsAsync();
+            settings.Should().NotBeNull();
+        }
+
+        [Fact]
+        public void Can_set_app_logs_path()
+        {
+            var tempDir = Path.Combine(Path.GetTempPath(), "ElectronLogsTest" + Guid.NewGuid().ToString("N"));
+            Directory.CreateDirectory(tempDir);
+            Electron.App.SetAppLogsPath(tempDir);
+        }
+
+        [Fact]
+        public async Task CommandLine_append_and_query_switch()
+        {
+            var switchName = "integration-switch";
+            Electron.App.CommandLine.AppendSwitch(switchName, "value123");
+            (await Electron.App.CommandLine.HasSwitchAsync(switchName)).Should().BeTrue();
+            (await Electron.App.CommandLine.GetSwitchValueAsync(switchName)).Should().Be("value123");
+        }
+
+        [Fact]
+        public async Task Accessibility_support_toggle()
+        {
+            Electron.App.SetAccessibilitySupportEnabled(true);
+            var enabled = await Electron.App.IsAccessibilitySupportEnabledAsync();
+            enabled.Should().BeTrue(); // API responded
+            Electron.App.SetAccessibilitySupportEnabled(false);
+        }
+
+        [Fact]
+        public async Task UserAgentFallback_roundtrip()
+        {
+            var original = await Electron.App.UserAgentFallbackAsync;
+            Electron.App.UserAgentFallback = "ElectronIntegrationTest/1.0";
+            var updated = await Electron.App.UserAgentFallbackAsync;
+            updated.Should().Be("ElectronIntegrationTest/1.0");
+            Electron.App.UserAgentFallback = original; // restore
+        }
+
+        [Fact]
+        public async Task BadgeCount_set_and_reset_where_supported()
+        {
+            await Electron.App.SetBadgeCountAsync(2);
+            var count = await Electron.App.GetBadgeCountAsync();
+            // Some platforms may always return0; just ensure call didn't throw and is non-negative
+            count.Should().BeGreaterOrEqualTo(0);
+            await Electron.App.SetBadgeCountAsync(0);
+        }
+
+        [Fact]
+        public async Task App_metrics_have_cpu_info()
+        {
+            var metrics = await Electron.App.GetAppMetricsAsync();
+            metrics[0].Cpu.Should().NotBeNull();
+        }
+
+        [Fact]
+        public async Task App_badge_count_roundtrip()
+        {
+            // Set then get (non-mac platforms treat as no-op but should return0 or set value)
+            var success = await Electron.App.SetBadgeCountAsync(3);
+            success.Should().BeTrue();
+            var count = await Electron.App.GetBadgeCountAsync();
+            // Allow fallback to0 on platforms without badge support
+            (count ==3 || count ==0).Should().BeTrue();
+        }
+
+        [Fact]
+        public async Task App_gpu_feature_status_has_some_fields()
+        {
+            var status = await Electron.App.GetGpuFeatureStatusAsync();
+            status.Should().NotBeNull();
+            status.Webgl.Should().NotBeNull();
+            status.VideoDecode.Should().NotBeNull();
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/ElectronNET.IntegrationTests/Tests/BrowserViewTests.cs b/src/ElectronNET.IntegrationTests/Tests/BrowserViewTests.cs
new file mode 100644
index 0000000..754c9b0
--- /dev/null
+++ b/src/ElectronNET.IntegrationTests/Tests/BrowserViewTests.cs
@@ -0,0 +1,27 @@
+namespace ElectronNET.IntegrationTests.Tests
+{
+    using ElectronNET.API;
+    using ElectronNET.API.Entities;
+
+    [Collection("ElectronCollection")]
+    public class BrowserViewTests
+    {
+        private readonly ElectronFixture fx;
+        public BrowserViewTests(ElectronFixture fx)
+        {
+            this.fx = fx;
+        }
+
+        [Fact]
+        public async Task Create_browser_view_and_adjust_bounds()
+        {
+            var view = await Electron.WindowManager.CreateBrowserViewAsync(new BrowserViewConstructorOptions());
+            this.fx.MainWindow.SetBrowserView(view);
+            view.Bounds = new Rectangle { X = 0, Y = 0, Width = 300, Height = 200 };
+            // Access bounds again (synchronous property fetch)
+            var current = view.Bounds;
+            current.Width.Should().Be(300);
+            current.Height.Should().Be(200);
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/ElectronNET.IntegrationTests/Tests/BrowserWindowTests.cs b/src/ElectronNET.IntegrationTests/Tests/BrowserWindowTests.cs
new file mode 100644
index 0000000..4007778
--- /dev/null
+++ b/src/ElectronNET.IntegrationTests/Tests/BrowserWindowTests.cs
@@ -0,0 +1,223 @@
+namespace ElectronNET.IntegrationTests.Tests
+{
+    using System.Runtime.InteropServices;
+    using ElectronNET.API;
+    using ElectronNET.API.Entities;
+
+    [Collection("ElectronCollection")]
+    public class BrowserWindowTests
+    {
+        private readonly ElectronFixture fx;
+
+        public BrowserWindowTests(ElectronFixture fx)
+        {
+            this.fx = fx;
+        }
+
+        [Fact]
+        public async Task Can_set_and_get_title()
+        {
+            const string title = "Integration Test Title";
+            this.fx.MainWindow.SetTitle(title);
+            var roundTrip = await this.fx.MainWindow.GetTitleAsync();
+            roundTrip.Should().Be(title);
+        }
+
+        [Fact]
+        public async Task Can_resize_and_get_size()
+        {
+            this.fx.MainWindow.SetSize(643, 482);
+            var size = await this.fx.MainWindow.GetSizeAsync();
+            size.Should().HaveCount(2);
+            size[0].Should().Be(643);
+            size[1].Should().Be(482);
+        }
+
+        [Fact]
+        public async Task Can_set_progress_bar_and_clear()
+        {
+            this.fx.MainWindow.SetProgressBar(0.5);
+            // No direct getter; rely on absence of error. Try changing again.
+            this.fx.MainWindow.SetProgressBar(-1); // clears
+            await Task.Delay(50);
+        }
+
+                [Fact]
+        public async Task Can_set_and_get_position()
+        {
+            this.fx.MainWindow.SetPosition(134, 246);
+            await Task.Delay(500);
+            var pos = await this.fx.MainWindow.GetPositionAsync();
+            pos.Should().BeEquivalentTo(new[] { 134, 246 });
+        }
+
+        [Fact]
+        public async Task Can_set_and_get_bounds()
+        {
+            var bounds = new Rectangle { X = 10, Y = 20, Width = 400, Height = 300 };
+            this.fx.MainWindow.SetBounds(bounds);
+            var round = await this.fx.MainWindow.GetBoundsAsync();
+
+            round.Should().BeEquivalentTo(bounds);
+            round.Width.Should().Be(400);
+            round.Height.Should().Be(300);
+        }
+
+        [Fact]
+        public async Task Can_set_and_get_content_bounds()
+        {
+            var bounds = new Rectangle { X = 0, Y = 0, Width = 300, Height = 200 };
+            this.fx.MainWindow.SetContentBounds(bounds);
+            var round = await this.fx.MainWindow.GetContentBoundsAsync();
+            round.Width.Should().BeGreaterThan(0);
+            round.Height.Should().BeGreaterThan(0);
+        }
+
+        [Fact]
+        public async Task Show_hide_visibility_roundtrip()
+        {
+            this.fx.MainWindow.Show();
+            (await this.fx.MainWindow.IsVisibleAsync()).Should().BeTrue();
+            this.fx.MainWindow.Hide();
+            (await this.fx.MainWindow.IsVisibleAsync()).Should().BeFalse();
+        }
+
+        [Fact]
+        public async Task AlwaysOnTop_toggle_and_query()
+        {
+            this.fx.MainWindow.SetAlwaysOnTop(true);
+            (await this.fx.MainWindow.IsAlwaysOnTopAsync()).Should().BeTrue();
+            this.fx.MainWindow.SetAlwaysOnTop(false);
+            (await this.fx.MainWindow.IsAlwaysOnTopAsync()).Should().BeFalse();
+        }
+
+        [Fact]
+        public async Task MenuBar_auto_hide_and_visibility()
+        {
+            this.fx.MainWindow.SetAutoHideMenuBar(true);
+            (await this.fx.MainWindow.IsMenuBarAutoHideAsync()).Should().BeTrue();
+            this.fx.MainWindow.SetMenuBarVisibility(false);
+            (await this.fx.MainWindow.IsMenuBarVisibleAsync()).Should().BeFalse();
+            this.fx.MainWindow.SetMenuBarVisibility(true);
+            (await this.fx.MainWindow.IsMenuBarVisibleAsync()).Should().BeTrue();
+        }
+
+        [Fact]
+        public async Task ReadyToShow_event_fires_after_content_ready()
+        {
+            var window = await Electron.WindowManager.CreateWindowAsync(new BrowserWindowOptions { Show = false });
+            var tcs = new TaskCompletionSource();
+            window.OnReadyToShow += () => tcs.TrySetResult();
+
+            // Trigger a navigation and wait for DOM ready so the renderer paints, which emits ready-to-show
+            var domReadyTcs = new TaskCompletionSource();
+            window.WebContents.OnDomReady += () => domReadyTcs.TrySetResult();
+            await window.WebContents.LoadURLAsync("about:blank");
+            await domReadyTcs.Task;
+
+            var completed = await Task.WhenAny(tcs.Task, Task.Delay(3000));
+            completed.Should().Be(tcs.Task);
+
+            // Typical usage is to show once ready
+            window.Show();
+        }
+
+        [Fact]
+        public async Task PageTitleUpdated_event_fires_on_title_change()
+        {
+            var window = await Electron.WindowManager.CreateWindowAsync(new BrowserWindowOptions { Show = true });
+            var tcs = new TaskCompletionSource<string>();
+            window.OnPageTitleUpdated += title => tcs.TrySetResult(title);
+
+            // Navigate and wait for DOM ready, then change the document.title to trigger the event
+            var domReadyTcs = new TaskCompletionSource();
+            window.WebContents.OnDomReady += () => domReadyTcs.TrySetResult();
+            await window.WebContents.LoadURLAsync("about:blank");
+            await domReadyTcs.Task;
+            await window.WebContents.ExecuteJavaScriptAsync("document.title='NewTitle';");
+
+            // Wait for event up to a short timeout
+            var completed2 = await Task.WhenAny(tcs.Task, Task.Delay(3000));
+            completed2.Should().Be(tcs.Task);
+            (await tcs.Task).Should().Be("NewTitle");
+        }
+
+        [Fact]
+        public async Task Resize_event_fires_on_size_change()
+        {
+            var window = await Electron.WindowManager.CreateWindowAsync(new BrowserWindowOptions { Show = false });
+            var resized = false;
+            window.OnResize += () => resized = true;
+            window.SetSize(500, 400);
+            await Task.Delay(300);
+            resized.Should().BeTrue();
+        }
+
+                [Fact]
+        public async Task Progress_bar_and_always_on_top_toggle()
+        {
+            var win = this.fx.MainWindow;
+            win.SetProgressBar(0.5);
+            win.SetProgressBar(0.8, new ProgressBarOptions { Mode = ProgressBarMode.normal });
+            win.SetAlwaysOnTop(true);
+            (await win.IsAlwaysOnTopAsync()).Should().BeTrue();
+            win.SetAlwaysOnTop(false);
+            (await win.IsAlwaysOnTopAsync()).Should().BeFalse();
+        }
+
+        [Fact]
+        public async Task Menu_bar_visibility_and_auto_hide()
+        {
+            var win = this.fx.MainWindow;
+            win.SetAutoHideMenuBar(true);
+            (await win.IsMenuBarAutoHideAsync()).Should().BeTrue();
+            win.SetMenuBarVisibility(true);
+            (await win.IsMenuBarVisibleAsync()).Should().BeTrue();
+        }
+
+        [Fact]
+        public async Task Parent_child_relationship_roundtrip()
+        {
+            var child = await Electron.WindowManager.CreateWindowAsync(new BrowserWindowOptions { Show = false, Width = 300, Height = 200 });
+            this.fx.MainWindow.SetParentWindow(null); // ensure top-level
+            child.SetParentWindow(this.fx.MainWindow);
+            var parent = await child.GetParentWindowAsync();
+            parent.Id.Should().Be(this.fx.MainWindow.Id);
+            var kids = await this.fx.MainWindow.GetChildWindowsAsync();
+            kids.Select(k => k.Id).Should().Contain(child.Id);
+            child.Destroy();
+        }
+
+        [Fact]
+        public async Task Represented_filename_and_edited_flags()
+        {
+            var win = this.fx.MainWindow;
+            var temp = Path.Combine(Path.GetTempPath(), "electronnet_test.txt");
+            File.WriteAllText(temp, "test");
+            win.SetRepresentedFilename(temp);
+            var represented = await win.GetRepresentedFilenameAsync();
+            if (RuntimeInformation.IsOSPlatform(OSPlatform.OSX))
+            {
+                represented.Should().Be(temp);
+            }
+            else
+            {
+                // Non-macOS platforms may not support represented filename; empty is acceptable
+                represented.Should().BeEmpty();
+            }
+
+            win.SetDocumentEdited(true);
+            var edited = await win.IsDocumentEditedAsync();
+            if (RuntimeInformation.IsOSPlatform(OSPlatform.OSX))
+            {
+                edited.Should().BeTrue();
+            }
+            else
+            {
+                edited.Should().BeFalse(); // unsupported on non-mac platforms
+            }
+
+            win.SetDocumentEdited(false);
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/ElectronNET.IntegrationTests/Tests/ClipboardTests.cs b/src/ElectronNET.IntegrationTests/Tests/ClipboardTests.cs
new file mode 100644
index 0000000..1f7d74f
--- /dev/null
+++ b/src/ElectronNET.IntegrationTests/Tests/ClipboardTests.cs
@@ -0,0 +1,43 @@
+namespace ElectronNET.IntegrationTests.Tests
+{
+    using ElectronNET.API;
+
+    [Collection("ElectronCollection")]
+    public class ClipboardTests
+    {
+        // ReSharper disable once NotAccessedField.Local
+        private readonly ElectronFixture fx;
+
+        public ClipboardTests(ElectronFixture fx)
+        {
+            this.fx = fx;
+        }
+
+        [Fact]
+        public async Task Clipboard_text_roundtrip()
+        {
+            var text = $"Hello Electron {Guid.NewGuid()}";
+            Electron.Clipboard.WriteText(text);
+            var read = await Electron.Clipboard.ReadTextAsync();
+            read.Should().Be(text);
+        }
+
+        [Fact]
+        public async Task Available_formats_contains_text_after_write()
+        {
+            var text = "FormatsTest";
+            Electron.Clipboard.WriteText(text);
+            var formats = await Electron.Clipboard.AvailableFormatsAsync();
+            formats.Should().Contain(f => f.Contains("text") || f.Contains("TEXT") || f.Contains("plain"));
+        }
+
+        [Fact]
+        public async Task Bookmark_write_and_read()
+        {
+            var url = "https://electron-test.com";
+            Electron.Clipboard.WriteBookmark("TitleTest", url);
+            var bookmark = await Electron.Clipboard.ReadBookmarkAsync();
+            bookmark.Url.Should().Be(url);
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/ElectronNET.IntegrationTests/Tests/CookiesTests.cs b/src/ElectronNET.IntegrationTests/Tests/CookiesTests.cs
new file mode 100644
index 0000000..284b381
--- /dev/null
+++ b/src/ElectronNET.IntegrationTests/Tests/CookiesTests.cs
@@ -0,0 +1,26 @@
+namespace ElectronNET.IntegrationTests.Tests
+{
+    [Collection("ElectronCollection")]
+    public class CookiesTests
+    {
+        private readonly ElectronFixture fx;
+        public CookiesTests(ElectronFixture fx)
+        {
+            this.fx = fx;
+        }
+
+        [Fact(Skip = "Cookie set/get requires navigation to domain; skipping until test harness serves page")]
+        public async Task Cookie_set_get_remove_sequence()
+        {
+            var session = this.fx.MainWindow.WebContents.Session;
+            var changed = false;
+            session.Cookies.OnChanged += (cookie, cause, removed) => changed = true;
+            // Navigate to example.com so cookie domain matches
+            await this.fx.MainWindow.WebContents.LoadURLAsync("https://example.com");
+            // Set via renderer for now
+            await this.fx.MainWindow.WebContents.ExecuteJavaScriptAsync("document.cookie='integration_cookie=1;path=/';");
+            await Task.Delay(500);
+            changed.Should().BeTrue();
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/ElectronNET.IntegrationTests/Tests/GlobalShortcutTests.cs b/src/ElectronNET.IntegrationTests/Tests/GlobalShortcutTests.cs
new file mode 100644
index 0000000..3256426
--- /dev/null
+++ b/src/ElectronNET.IntegrationTests/Tests/GlobalShortcutTests.cs
@@ -0,0 +1,20 @@
+namespace ElectronNET.IntegrationTests.Tests
+{
+    using System.Runtime.InteropServices;
+    using ElectronNET.API;
+
+    [Collection("ElectronCollection")]
+    public class GlobalShortcutTests
+    {
+        [Fact]
+        public async Task Can_register_and_unregister()
+        {
+            var accel = RuntimeInformation.IsOSPlatform(OSPlatform.OSX) ? "Cmd+Alt+G" : "Ctrl+Alt+G";
+            var tcs = new TaskCompletionSource<bool>();
+            Electron.GlobalShortcut.Register(accel, () => tcs.TrySetResult(true));
+            var isRegistered = await Electron.GlobalShortcut.IsRegisteredAsync(accel);
+            isRegistered.Should().BeTrue();
+            Electron.GlobalShortcut.Unregister(accel);
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/ElectronNET.IntegrationTests/Tests/HostHookTests.cs b/src/ElectronNET.IntegrationTests/Tests/HostHookTests.cs
new file mode 100644
index 0000000..254f7aa
--- /dev/null
+++ b/src/ElectronNET.IntegrationTests/Tests/HostHookTests.cs
@@ -0,0 +1,15 @@
+namespace ElectronNET.IntegrationTests.Tests
+{
+    using ElectronNET.API;
+
+    [Collection("ElectronCollection")]
+    public class HostHookTests
+    {
+        [Fact(Skip = "Requires HostHook setup; skipping")]
+        public async Task HostHook_call_returns_value()
+        {
+            var result = await Electron.HostHook.CallAsync<string>("create-excel-file", ".");
+            result.Should().NotBeNull();
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/ElectronNET.IntegrationTests/Tests/IpcMainTests.cs b/src/ElectronNET.IntegrationTests/Tests/IpcMainTests.cs
new file mode 100644
index 0000000..9e49f46
--- /dev/null
+++ b/src/ElectronNET.IntegrationTests/Tests/IpcMainTests.cs
@@ -0,0 +1,86 @@
+namespace ElectronNET.IntegrationTests.Tests
+{
+    using ElectronNET.API;
+
+    [Collection("ElectronCollection")]
+    public class IpcMainTests
+    {
+        private readonly ElectronFixture fx;
+        public IpcMainTests(ElectronFixture fx)
+        {
+            this.fx = fx;
+        }
+
+        [Fact]
+        public async Task Ipc_On_receives_message_from_renderer()
+        {
+            var tcs = new TaskCompletionSource<string>();
+            await Electron.IpcMain.On("ipc-on-test", obj => tcs.TrySetResult(obj?.ToString() ?? string.Empty));
+            await this.fx.MainWindow.WebContents.ExecuteJavaScriptAsync("require('electron').ipcRenderer.send('ipc-on-test','payload123')");
+            var result = await tcs.Task.WaitAsync(TimeSpan.FromSeconds(5));
+            result.Should().Be("payload123");
+        }
+
+        [Fact]
+        public async Task Ipc_Once_only_fires_once()
+        {
+            var count = 0;
+            Electron.IpcMain.Once("ipc-once-test", _ => count++);
+            await this.fx.MainWindow.WebContents.ExecuteJavaScriptAsync("const {ipcRenderer}=require('electron'); ipcRenderer.send('ipc-once-test','a'); ipcRenderer.send('ipc-once-test','b');");
+            await Task.Delay(500);
+            count.Should().Be(1);
+        }
+
+        [Fact]
+        public async Task Ipc_RemoveAllListeners_stops_receiving()
+        {
+            var fired = false;
+            await Electron.IpcMain.On("ipc-remove-test", _ => fired = true);
+            Electron.IpcMain.RemoveAllListeners("ipc-remove-test");
+            await this.fx.MainWindow.WebContents.ExecuteJavaScriptAsync("require('electron').ipcRenderer.send('ipc-remove-test','x')");
+            await Task.Delay(400);
+            fired.Should().BeFalse();
+        }
+
+        [Fact]
+        public async Task Ipc_OnSync_returns_value()
+        {
+            Electron.IpcMain.OnSync("ipc-sync-test", obj =>
+            {
+                obj.Should().NotBeNull();
+                return "pong";
+            });
+            var ret = await this.fx.MainWindow.WebContents.ExecuteJavaScriptAsync("require('electron').ipcRenderer.sendSync('ipc-sync-test','ping')");
+            ret.Should().Be("pong");
+        }
+
+        [Fact]
+        public async Task Ipc_Send_from_main_reaches_renderer()
+        {
+            // Listener: store raw arg; if Electron packs differently we will normalize later
+            await this.fx.MainWindow.WebContents.ExecuteJavaScriptAsync(@"(function(){ const {ipcRenderer}=require('electron'); ipcRenderer.once('main-to-render',(e,arg)=>{ globalThis.__mainToRender = arg;}); return 'ready'; })();");
+            Electron.IpcMain.Send(this.fx.MainWindow, "main-to-render", "hello-msg");
+            string value = "";
+            for (int i = 0; i < 20; i++)
+            {
+                var jsVal = await this.fx.MainWindow.WebContents.ExecuteJavaScriptAsync("globalThis.__mainToRender === undefined ? '' : (typeof globalThis.__mainToRender === 'string' ? globalThis.__mainToRender : JSON.stringify(globalThis.__mainToRender))");
+                value = jsVal?.ToString() ?? "";
+                if (!string.IsNullOrEmpty(value))
+                {
+                    break;
+                }
+
+                await Task.Delay(100);
+            }
+
+            // Normalize possible JSON array ["hello-msg"] case
+            if (value.StartsWith("[\"") && value.EndsWith("\"]"))
+            {
+                // Extract first element between [" and "]
+                value = value.Substring(2, value.Length - 4);
+            }
+
+            value.Should().Be("hello-msg");
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/ElectronNET.IntegrationTests/Tests/MenuTests.cs b/src/ElectronNET.IntegrationTests/Tests/MenuTests.cs
new file mode 100644
index 0000000..511860b
--- /dev/null
+++ b/src/ElectronNET.IntegrationTests/Tests/MenuTests.cs
@@ -0,0 +1,60 @@
+namespace ElectronNET.IntegrationTests.Tests
+{
+    using ElectronNET.API;
+    using ElectronNET.API.Entities;
+
+    [Collection("ElectronCollection")]
+    public class MenuTests
+    {
+        private readonly ElectronFixture fx;
+        public MenuTests(ElectronFixture fx)
+        {
+            this.fx = fx;
+        }
+
+        [Fact]
+        public async Task ApplicationMenu_click_invokes_handler()
+        {
+            var clicked = false;
+            var items = new[]
+            {
+                new MenuItem
+                {
+                    Label = "File",
+                    Submenu = new[]
+                    {
+                        new MenuItem { Label = "Ping", Click = () => clicked = true },
+                    },
+                },
+            };
+            Electron.Menu.SetApplicationMenu(items);
+            var targetId = items[0].Submenu[0].Id;
+            await this.fx.MainWindow.WebContents.ExecuteJavaScriptAsync($"require('electron').ipcRenderer.send('integration-click-application-menu','{targetId}')");
+            for (int i = 0; i < 20 && !clicked; i++)
+            {
+                await Task.Delay(100);
+            }
+
+            clicked.Should().BeTrue();
+        }
+
+        [Fact]
+        public async Task ContextMenu_popup_registers_items()
+        {
+            var win = this.fx.MainWindow;
+            var ctxClicked = false;
+            var ctxItems = new[] { new MenuItem { Label = "Ctx", Click = () => ctxClicked = true } };
+            Electron.Menu.SetContextMenu(win, ctxItems);
+            var ctxId = ctxItems[0].Id;
+            // simulate popup then click
+            Electron.Menu.ContextMenuPopup(win);
+            await this.fx.MainWindow.WebContents.ExecuteJavaScriptAsync($"require('electron').ipcRenderer.send('integration-click-context-menu',{win.Id},'{ctxId}')");
+            for (int i = 0; i < 20 && !ctxClicked; i++)
+            {
+                await Task.Delay(100);
+            }
+
+            ctxClicked.Should().BeTrue();
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/ElectronNET.IntegrationTests/Tests/MultiEventRegistrationTests.cs b/src/ElectronNET.IntegrationTests/Tests/MultiEventRegistrationTests.cs
new file mode 100644
index 0000000..2561aec
--- /dev/null
+++ b/src/ElectronNET.IntegrationTests/Tests/MultiEventRegistrationTests.cs
@@ -0,0 +1,64 @@
+namespace ElectronNET.IntegrationTests.Tests
+{
+    [Collection("ElectronCollection")]
+    public class MultiEventRegistrationTests
+    {
+        private readonly ElectronFixture fx;
+
+        public MultiEventRegistrationTests(ElectronFixture fx)
+        {
+            this.fx = fx;
+        }
+
+        private static async Task<bool> WaitAllOrTimeout(TimeSpan timeout, params Task[] tasks)
+        {
+            var all = Task.WhenAll(tasks);
+            var completed = await Task.WhenAny(all, Task.Delay(timeout));
+            return ReferenceEquals(completed, all) && all.IsCompletedSuccessfully;
+        }
+
+        [Fact]
+        public async Task BrowserWindow_OnResize_multiple_handlers_called()
+        {
+            var win = this.fx.MainWindow;
+            var h1 = new TaskCompletionSource();
+            var h2 = new TaskCompletionSource();
+            var h3 = new TaskCompletionSource();
+
+            win.OnResize += () => h1.TrySetResult();
+            win.OnResize += () => h2.TrySetResult();
+            win.OnResize += () => h3.TrySetResult();
+
+            var size = await win.GetSizeAsync();
+            // trigger resize
+            win.SetSize(size[0] + 20, size[1] + 10);
+
+            var ok = await WaitAllOrTimeout(TimeSpan.FromSeconds(5), h1.Task, h2.Task, h3.Task);
+
+            if (!ok)
+            {
+                throw new Xunit.Sdk.XunitException($"Not all events were fired: \nEvent1 fired: {h1.Task.IsCompleted}\nEvent2 fired: {h2.Task.IsCompleted}\nEvent3 fired: {h3.Task.IsCompleted}");
+            }
+        }
+
+        [Fact]
+        public async Task WebContents_OnDomReady_multiple_handlers_called()
+        {
+            var wc = this.fx.MainWindow.WebContents;
+            var r1 = new TaskCompletionSource();
+            var r2 = new TaskCompletionSource();
+
+            wc.OnDomReady += () => r1.TrySetResult();
+            wc.OnDomReady += () => r2.TrySetResult();
+
+            await wc.LoadURLAsync("about:blank");
+
+            var ok = await WaitAllOrTimeout(TimeSpan.FromSeconds(2), r1.Task, r2.Task);
+
+            if (!ok)
+            {
+                throw new Xunit.Sdk.XunitException($"Not all events were fired: \nEvent1 fired: {r1.Task.IsCompleted}\nEvent2 fired: {r2.Task.IsCompleted}");
+            }
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/ElectronNET.IntegrationTests/Tests/NativeImageTests.cs b/src/ElectronNET.IntegrationTests/Tests/NativeImageTests.cs
new file mode 100644
index 0000000..35d7825
--- /dev/null
+++ b/src/ElectronNET.IntegrationTests/Tests/NativeImageTests.cs
@@ -0,0 +1,87 @@
+using RectangleEntity = ElectronNET.API.Entities.Rectangle;
+
+namespace ElectronNET.IntegrationTests.Tests
+{
+    using System.Drawing;
+    using ElectronNET.API.Entities;
+
+    public class NativeImageTests
+    {
+        [Fact]
+        public void Create_from_bitmap_and_to_png()
+        {
+            using var bmp = new Bitmap(10, 10);
+            using (var g = Graphics.FromImage(bmp))
+            {
+                g.Clear(Color.Red);
+            }
+
+            var native = NativeImage.CreateFromBitmap(bmp);
+            var size = native.GetSize();
+            size.Width.Should().Be(10);
+            size.Height.Should().Be(10);
+            var png = native.ToPNG(new ToPNGOptions { ScaleFactor = 1.0f });
+            png.Should().NotBeNull();
+            png!.Length.Should().BeGreaterThan(0);
+        }
+
+        [Fact]
+        public void Create_from_buffer_and_to_data_url()
+        {
+            // Prepare PNG bytes
+            using var bmp = new Bitmap(8, 8);
+            using (var g = Graphics.FromImage(bmp))
+            {
+                g.Clear(Color.Blue);
+            }
+
+            using var ms = new MemoryStream();
+            bmp.Save(ms, System.Drawing.Imaging.ImageFormat.Png);
+            var bytes = ms.ToArray();
+            var native = NativeImage.CreateFromBuffer(bytes);
+            var dataUrl = native.ToDataURL(new ToDataUrlOptions { ScaleFactor = 1.0f });
+            dataUrl.Should().NotBeNullOrWhiteSpace();
+            dataUrl!.StartsWith("data:image/", StringComparison.Ordinal).Should().BeTrue();
+        }
+
+        [Fact]
+        public void Resize_and_crop_produce_expected_sizes()
+        {
+            using var bmp = new Bitmap(12, 10);
+            using (var g = Graphics.FromImage(bmp))
+            {
+                g.Clear(Color.Green);
+            }
+
+            var native = NativeImage.CreateFromBitmap(bmp);
+            var resized = native.Resize(new ResizeOptions { Width = 6, Height = 5 });
+            var rsize = resized.GetSize();
+            rsize.Width.Should().Be(6);
+            rsize.Height.Should().Be(5);
+            var cropped = native.Crop(new RectangleEntity { X = 2, Y = 2, Width = 4, Height = 3 });
+            var csize = cropped.GetSize();
+            csize.Width.Should().Be(4);
+            csize.Height.Should().Be(3);
+        }
+
+        [Fact]
+        public void Add_representation_for_scale_factor()
+        {
+            using var bmp = new Bitmap(5, 5);
+            using (var g = Graphics.FromImage(bmp))
+            {
+                g.Clear(Color.Black);
+            }
+
+            using var ms = new MemoryStream();
+            bmp.Save(ms, System.Drawing.Imaging.ImageFormat.Png);
+            var buffer = ms.ToArray();
+            var native = NativeImage.CreateFromBitmap(bmp);
+            native.AddRepresentation(new AddRepresentationOptions { Buffer = buffer, ScaleFactor = 2.0f });
+            var size2X = native.GetSize(2.0f);
+            size2X.Should().NotBeNull();
+            size2X.Width.Should().Be(5);
+            size2X.Height.Should().Be(5);
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/ElectronNET.IntegrationTests/Tests/NativeThemeTests.cs b/src/ElectronNET.IntegrationTests/Tests/NativeThemeTests.cs
new file mode 100644
index 0000000..aeffee8
--- /dev/null
+++ b/src/ElectronNET.IntegrationTests/Tests/NativeThemeTests.cs
@@ -0,0 +1,43 @@
+namespace ElectronNET.IntegrationTests.Tests
+{
+    using ElectronNET.API;
+    using ElectronNET.API.Entities;
+
+    [Collection("ElectronCollection")]
+    public class NativeThemeTests
+    {
+        [Fact]
+        public async Task ThemeSource_roundtrip()
+        {
+            // Capture initial
+            _ = await Electron.NativeTheme.ShouldUseDarkColorsAsync();
+            // Force light
+            Electron.NativeTheme.SetThemeSource(ThemeSourceMode.Light);
+            var useDarkAfterLight = await Electron.NativeTheme.ShouldUseDarkColorsAsync();
+            // Force dark
+            Electron.NativeTheme.SetThemeSource(ThemeSourceMode.Dark);
+            var useDarkAfterDark = await Electron.NativeTheme.ShouldUseDarkColorsAsync();
+            // Restore system
+            Electron.NativeTheme.SetThemeSource(ThemeSourceMode.System);
+            // Assertions are tolerant (platform dependent)
+            useDarkAfterLight.Should().BeFalse("forcing Light should result in light colors");
+            useDarkAfterDark.Should().BeTrue("forcing Dark should result in dark colors");
+        }
+
+        [Fact]
+        public async Task Updated_event_fires_on_change()
+        {
+            var fired = false;
+            Electron.NativeTheme.Updated += () => fired = true;
+            Electron.NativeTheme.SetThemeSource(ThemeSourceMode.Dark);
+            await Task.Delay(400);
+            Electron.NativeTheme.SetThemeSource(ThemeSourceMode.Light);
+            for (int i = 0; i < 10 && !fired; i++)
+            {
+                await Task.Delay(100);
+            }
+
+            fired.Should().BeTrue();
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/ElectronNET.IntegrationTests/Tests/NotificationTests.cs b/src/ElectronNET.IntegrationTests/Tests/NotificationTests.cs
new file mode 100644
index 0000000..5e3439b
--- /dev/null
+++ b/src/ElectronNET.IntegrationTests/Tests/NotificationTests.cs
@@ -0,0 +1,31 @@
+namespace ElectronNET.IntegrationTests.Tests
+{
+    using ElectronNET.API;
+    using ElectronNET.API.Entities;
+
+    [Collection("ElectronCollection")]
+    public class NotificationTests
+    {
+        [Fact]
+        public async Task Notification_create_check()
+        {
+            var tcs = new TaskCompletionSource();
+
+            var options = new NotificationOptions("Notification Title", "Notification test 123");
+            options.OnShow = () => tcs.SetResult();
+
+            Electron.Notification.Show(options);
+
+            await Task.WhenAny(tcs.Task, Task.Delay(5_000));
+
+            tcs.Task.IsCompletedSuccessfully.Should().BeTrue();
+        }
+
+        [Fact]
+        public async Task Notification_is_supported_check()
+        {
+            var supported = await Electron.Notification.IsSupportedAsync();
+            supported.Should().BeTrue();
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/ElectronNET.IntegrationTests/Tests/ProcessTests.cs b/src/ElectronNET.IntegrationTests/Tests/ProcessTests.cs
new file mode 100644
index 0000000..edfb986
--- /dev/null
+++ b/src/ElectronNET.IntegrationTests/Tests/ProcessTests.cs
@@ -0,0 +1,29 @@
+namespace ElectronNET.IntegrationTests.Tests
+{
+    using ElectronNET.API;
+
+    [Collection("ElectronCollection")]
+    public class ProcessTests
+    {
+        [Fact]
+        public async Task Process_info_is_accessible()
+        {
+            // Use renderer to fetch process info and round-trip
+            var execPath = await Electron.WindowManager.CreateWindowAsync(new API.Entities.BrowserWindowOptions { Show = false });
+            var result = await execPath.WebContents.ExecuteJavaScriptAsync("process.execPath && process.platform ? 'ok' : 'fail'");
+            result.Should().Be("ok");
+        }
+
+        [Fact]
+        public async Task Process_properties_are_populated()
+        {
+            var execPath = await Electron.Process.ExecPathAsync;
+            execPath.Should().NotBeNullOrWhiteSpace();
+            var pid = await Electron.Process.PidAsync;
+            pid.Should().BeGreaterThan(0);
+            var platform = await Electron.Process.PlatformAsync;
+            platform.Should().NotBeNullOrWhiteSpace();
+        }
+
+    }
+}
\ No newline at end of file
diff --git a/src/ElectronNET.IntegrationTests/Tests/ScreenTests.cs b/src/ElectronNET.IntegrationTests/Tests/ScreenTests.cs
new file mode 100644
index 0000000..31521fd
--- /dev/null
+++ b/src/ElectronNET.IntegrationTests/Tests/ScreenTests.cs
@@ -0,0 +1,32 @@
+namespace ElectronNET.IntegrationTests.Tests
+{
+    using ElectronNET.API;
+
+    [Collection("ElectronCollection")]
+    public class ScreenTests
+    {
+        // ReSharper disable once NotAccessedField.Local
+        private readonly ElectronFixture fx;
+
+        public ScreenTests(ElectronFixture fx)
+        {
+            this.fx = fx;
+        }
+
+        [Fact]
+        public async Task Primary_display_has_positive_dimensions()
+        {
+            var display = await Electron.Screen.GetPrimaryDisplayAsync();
+            display.Size.Width.Should().BeGreaterThan(0);
+            display.Size.Height.Should().BeGreaterThan(0);
+        }
+
+        [Fact]
+        public async Task GetAllDisplays_returns_at_least_one()
+        {
+            var displays = await Electron.Screen.GetAllDisplaysAsync();
+            displays.Should().NotBeNull();
+            displays.Length.Should().BeGreaterThan(0);
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/ElectronNET.IntegrationTests/Tests/SessionTests.cs b/src/ElectronNET.IntegrationTests/Tests/SessionTests.cs
new file mode 100644
index 0000000..3114087
--- /dev/null
+++ b/src/ElectronNET.IntegrationTests/Tests/SessionTests.cs
@@ -0,0 +1,103 @@
+namespace ElectronNET.IntegrationTests.Tests
+{
+    using ElectronNET.API.Entities;
+
+    [Collection("ElectronCollection")]
+    public class SessionTests
+    {
+        private readonly ElectronFixture fx;
+
+        public SessionTests(ElectronFixture fx)
+        {
+            this.fx = fx;
+        }
+
+        [Fact]
+        public async Task Session_preloads_roundtrip()
+        {
+            var session = this.fx.MainWindow.WebContents.Session;
+            _ = await session.GetPreloadsAsync();
+            // Use a dummy path; API should store value
+            session.SetPreloads(new[] { "/tmp/preload_dummy.js" });
+            var preloadsAfter = await session.GetPreloadsAsync();
+            preloadsAfter.Should().Contain("/tmp/preload_dummy.js");
+        }
+
+        [Fact]
+        public async Task Session_proxy_set_and_resolve()
+        {
+            var session = this.fx.MainWindow.WebContents.Session;
+            // Provide all ctor args (pacScript empty to ignore, proxyRules direct, bypass empty)
+            await session.SetProxyAsync(new ProxyConfig("", "direct://", ""));
+            var proxy = await session.ResolveProxyAsync("https://example.com");
+            proxy.Should().NotBeNull();
+        }
+
+
+        [Fact]
+        public async Task Session_clear_cache_and_storage_completes()
+        {
+            var session = this.fx.MainWindow.WebContents.Session;
+            await session.ClearCacheAsync();
+            await session.ClearStorageDataAsync();
+            await session.ClearHostResolverCacheAsync();
+            // Ensure still can query user agent after clears
+            var ua = await session.GetUserAgent();
+            ua.Should().NotBeNullOrWhiteSpace();
+        }
+
+        [Fact]
+        public async Task Session_preloads_set_multiple_and_clear()
+        {
+            var session = this.fx.MainWindow.WebContents.Session;
+            session.SetPreloads(new[] { "/tmp/a.js", "/tmp/b.js" });
+            var after = await session.GetPreloadsAsync();
+            after.Should().Contain("/tmp/a.js").And.Contain("/tmp/b.js");
+            // Reset to empty
+            session.SetPreloads(Array.Empty<string>());
+            var empty = await session.GetPreloadsAsync();
+            empty.Should().NotContain("/tmp/a.js");
+        }
+
+        [Fact]
+        public async Task Clear_auth_cache_overloads()
+        {
+            var session = this.fx.MainWindow.WebContents.Session;
+            await session.ClearAuthCacheAsync();
+            await session.ClearAuthCacheAsync(new RemovePassword("password") { Origin = "https://example.com", Username = "user", Password = "pw", Realm = "realm", Scheme = Scheme.basic });
+        }
+
+        [Fact]
+        public async Task Clear_storage_with_options()
+        {
+            var session = this.fx.MainWindow.WebContents.Session;
+            await session.ClearStorageDataAsync(new ClearStorageDataOptions { Storages = new[] { "cookies" }, Quotas = new[] { "temporary" } });
+        }
+
+        [Fact]
+        public void Enable_disable_network_emulation()
+        {
+            var session = this.fx.MainWindow.WebContents.Session;
+            session.EnableNetworkEmulation(new EnableNetworkEmulationOptions { Offline = false, Latency = 10, DownloadThroughput = 50000, UploadThroughput = 20000 });
+            session.DisableNetworkEmulation();
+        }
+
+        [Fact]
+        public void Flush_storage_data_does_not_throw()
+        {
+            var session = this.fx.MainWindow.WebContents.Session;
+            session.FlushStorageData();
+        }
+
+        [Fact]
+        public async Task Set_user_agent_affects_new_navigation()
+        {
+            var session = this.fx.MainWindow.WebContents.Session;
+            // Set UA and verify via session API (navigator.userAgent on existing WebContents may not reflect the override)
+            session.SetUserAgent("IntegrationAgent/1.0");
+            var ua = await session.GetUserAgent();
+            ua.Should().NotBeNullOrWhiteSpace();
+            ua.Should().Contain("IntegrationAgent/1.0");
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/ElectronNET.IntegrationTests/Tests/ShellTests.cs b/src/ElectronNET.IntegrationTests/Tests/ShellTests.cs
new file mode 100644
index 0000000..1ce3fb5
--- /dev/null
+++ b/src/ElectronNET.IntegrationTests/Tests/ShellTests.cs
@@ -0,0 +1,15 @@
+namespace ElectronNET.IntegrationTests.Tests
+{
+    using ElectronNET.API;
+
+    [Collection("ElectronCollection")]
+    public class ShellTests
+    {
+        [Fact]
+        public async Task OpenExternal_invalid_scheme_returns_error_or_empty()
+        {
+            var error = await Electron.Shell.OpenExternalAsync("mailto:test@example.com");
+            (error == string.Empty || error.Contains("@") || error.Length > 0).Should().BeTrue(); // call succeeded
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/ElectronNET.IntegrationTests/Tests/ThumbarButtonTests.cs b/src/ElectronNET.IntegrationTests/Tests/ThumbarButtonTests.cs
new file mode 100644
index 0000000..4961310
--- /dev/null
+++ b/src/ElectronNET.IntegrationTests/Tests/ThumbarButtonTests.cs
@@ -0,0 +1,44 @@
+namespace ElectronNET.IntegrationTests.Tests
+{
+    using System.Runtime.InteropServices;
+    using ElectronNET.API.Entities;
+
+    [Collection("ElectronCollection")]
+    public class ThumbarButtonTests
+    {
+        private readonly ElectronFixture fx;
+
+        public ThumbarButtonTests(ElectronFixture fx)
+        {
+            this.fx = fx;
+        }
+
+        [Fact]
+        public async Task SetThumbarButtons_returns_success()
+        {
+            var btn = new ThumbarButton("icon.png") { Tooltip = "Test" };
+            var success = await this.fx.MainWindow.SetThumbarButtonsAsync(new[] { btn });
+            success.Should().BeTrue();
+        }
+
+        [Fact]
+        public async Task Thumbar_button_click_invokes_callback()
+        {
+            if (!RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
+            {
+                return; // only meaningful on Windows taskbar
+            }
+
+            var icon = Path.Combine(Directory.GetCurrentDirectory(), "ElectronNET.WebApp", "wwwroot", "icon.png");
+            if (!File.Exists(icon))
+            {
+                return; // skip if icon missing
+            }
+
+            var tcs = new TaskCompletionSource<bool>();
+            var btn = new ThumbarButton(icon) { Tooltip = "Test", Flags = new[] { ThumbarButtonFlag.enabled }, Click = () => tcs.TrySetResult(true) };
+            var ok = await this.fx.MainWindow.SetThumbarButtonsAsync(new[] { btn });
+            ok.Should().BeTrue();
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/ElectronNET.IntegrationTests/Tests/TrayTests.cs b/src/ElectronNET.IntegrationTests/Tests/TrayTests.cs
new file mode 100644
index 0000000..fdbd9f4
--- /dev/null
+++ b/src/ElectronNET.IntegrationTests/Tests/TrayTests.cs
@@ -0,0 +1,26 @@
+namespace ElectronNET.IntegrationTests.Tests
+{
+    using ElectronNET.API;
+
+    [Collection("ElectronCollection")]
+    public class TrayTests
+    {
+        // ReSharper disable once NotAccessedField.Local
+        private readonly ElectronFixture fx;
+        public TrayTests(ElectronFixture fx)
+        {
+            this.fx = fx;
+        }
+
+        [Fact]
+        public async Task Can_create_tray_and_destroy()
+        {
+            //await Electron.Tray.Show("assets/icon.png");
+            await Electron.Tray.Show(null);
+            var isDestroyed = await Electron.Tray.IsDestroyedAsync();
+            isDestroyed.Should().BeFalse();
+            await Electron.Tray.Destroy();
+            (await Electron.Tray.IsDestroyedAsync()).Should().BeTrue();
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/ElectronNET.IntegrationTests/Tests/WebContentsTests.cs b/src/ElectronNET.IntegrationTests/Tests/WebContentsTests.cs
new file mode 100644
index 0000000..066557e
--- /dev/null
+++ b/src/ElectronNET.IntegrationTests/Tests/WebContentsTests.cs
@@ -0,0 +1,75 @@
+namespace ElectronNET.IntegrationTests.Tests
+{
+    using ElectronNET.API.Entities;
+
+    [Collection("ElectronCollection")]
+    public class WebContentsTests
+    {
+        private readonly ElectronFixture fx;
+
+        public WebContentsTests(ElectronFixture fx)
+        {
+            this.fx = fx;
+        }
+
+        [Fact]
+        public async Task Can_get_url_after_navigation()
+        {
+            var wc = this.fx.MainWindow.WebContents;
+            await wc.LoadURLAsync("https://example.com");
+            var url = await wc.GetUrl();
+            url.Should().Contain("example.com");
+        }
+
+        [Fact]
+        public async Task ExecuteJavaScript_returns_title()
+        {
+            var wc = this.fx.MainWindow.WebContents;
+            await wc.LoadURLAsync("https://example.com");
+            var title = await wc.ExecuteJavaScriptAsync("document.title");
+            title.Should().NotBeNull();
+        }
+
+        [Fact]
+        public async Task DomReady_event_fires()
+        {
+            var wc = this.fx.MainWindow.WebContents;
+            var fired = false;
+            wc.OnDomReady += () => fired = true;
+            await wc.LoadURLAsync("https://example.com");
+            await Task.Delay(500);
+            fired.Should().BeTrue();
+        }
+
+        [Fact]
+        public async Task Can_print_to_pdf()
+        {
+            var html = "data:text/html,<html><body><h1>PDF Test</h1><p>Electron.NET</p></body></html>";
+            await this.fx.MainWindow.WebContents.LoadURLAsync(html);
+            var tmp = Path.Combine(Path.GetTempPath(), $"electronnet_pdf_{Guid.NewGuid():N}.pdf");
+            try
+            {
+                var ok = await this.fx.MainWindow.WebContents.PrintToPDFAsync(tmp);
+                ok.Should().BeTrue();
+                File.Exists(tmp).Should().BeTrue();
+                new FileInfo(tmp).Length.Should().BeGreaterThan(0);
+            }
+            finally
+            {
+                if (File.Exists(tmp))
+                {
+                    File.Delete(tmp);
+                }
+            }
+        }
+
+        [Fact]
+        public async Task Can_basic_print()
+        {
+            var html = "data:text/html,<html><body><h2>Print Test</h2></body></html>";
+            await this.fx.MainWindow.WebContents.LoadURLAsync(html);
+            var ok = await this.fx.MainWindow.WebContents.PrintAsync(new PrintOptions { Silent = true, PrintBackground = true });
+            ok.Should().BeTrue();
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/ElectronNET.sln b/src/ElectronNET.sln
index 55de11a..3f46f97 100644
--- a/src/ElectronNET.sln
+++ b/src/ElectronNET.sln
@@ -67,6 +67,10 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "!Docs", "!Docs", "{D36CDFFD
 EndProject
 Project("{D954291E-2A0B-460D-934E-DC6B0785DB48}") = "Docs", "..\docs\Docs.shproj", "{06CAADC7-DE5B-47B4-AB2A-E9501459A2D1}"
 EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Test Projects", "Test Projects", "{75129C45-FC6F-41B0-A485-07F4A7E031ED}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ElectronNET.IntegrationTests", "ElectronNET.IntegrationTests\ElectronNET.IntegrationTests.csproj", "{AE877E48-6B44-63C2-8EA0-DB58D096B553}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -86,7 +90,6 @@ Global
 		{B33E9B82-B6B4-4DB0-B6EE-61CC34641518}.Release|Any CPU.ActiveCfg = Debug|Any CPU
 		{B33E9B82-B6B4-4DB0-B6EE-61CC34641518}.Release|Any CPU.Build.0 = Debug|Any CPU
 		{829FC339-4785-4229-ABA5-53ADB544DA00}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{829FC339-4785-4229-ABA5-53ADB544DA00}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{829FC339-4785-4229-ABA5-53ADB544DA00}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{829FC339-4785-4229-ABA5-53ADB544DA00}.Release|Any CPU.Build.0 = Release|Any CPU
 		{8860606D-6847-F22A-5AED-DF4E0984DD24}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
@@ -105,6 +108,10 @@ Global
 		{015CB06B-6CAE-209F-E050-21C3ACA5FE9F}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{06CAADC7-DE5B-47B4-AB2A-E9501459A2D1}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
 		{06CAADC7-DE5B-47B4-AB2A-E9501459A2D1}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{AE877E48-6B44-63C2-8EA0-DB58D096B553}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{AE877E48-6B44-63C2-8EA0-DB58D096B553}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{AE877E48-6B44-63C2-8EA0-DB58D096B553}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{AE877E48-6B44-63C2-8EA0-DB58D096B553}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
@@ -119,6 +126,7 @@ Global
 		{EE38A326-5DE8-AF09-9EB9-DF0878938783} = {EDCBFC49-2AEE-4BAF-9368-4409298C52FC}
 		{015CB06B-6CAE-209F-E050-21C3ACA5FE9F} = {985D39A7-5216-4945-8167-2FD0CB387BD8}
 		{06CAADC7-DE5B-47B4-AB2A-E9501459A2D1} = {D36CDFFD-3438-42E4-A7FF-88BA19AC4964}
+		{AE877E48-6B44-63C2-8EA0-DB58D096B553} = {75129C45-FC6F-41B0-A485-07F4A7E031ED}
 	EndGlobalSection
 	GlobalSection(ExtensibilityGlobals) = postSolution
 		SolutionGuid = {81A62E71-9E04-4EFE-AD5C-23165375F8EF}