diff --git a/apps/windows/Cascade/Assets/app.ico b/apps/windows/Cascade/Assets/app.ico
new file mode 100644
index 0000000..94a75f8
Binary files /dev/null and b/apps/windows/Cascade/Assets/app.ico differ
diff --git a/apps/windows/Cascade/Cascade.csproj b/apps/windows/Cascade/Cascade.csproj
index ea722e9..a35bc28 100644
--- a/apps/windows/Cascade/Cascade.csproj
+++ b/apps/windows/Cascade/Cascade.csproj
@@ -5,6 +5,8 @@
     <TargetPlatformMinVersion>10.0.19041.0</TargetPlatformMinVersion>
     <RootNamespace>Cascade</RootNamespace>
     <ApplicationManifest>app.manifest</ApplicationManifest>
+    <!-- Embed the app icon into the .exe (Explorer / taskbar / Alt-Tab). -->
+    <ApplicationIcon>Assets\app.ico</ApplicationIcon>
     <Platforms>x64;arm64</Platforms>
     <RuntimeIdentifiers>win-x64;win-arm64</RuntimeIdentifiers>
     <UseWinUI>true</UseWinUI>
@@ -54,6 +56,10 @@
        scripts/build-asset.ps1; replace with proper Square*Logo / Wide310x150
        assets before shipping a real MSIX. -->
   <ItemGroup>
+    <!-- Win32 .ico, also copied to output so the window can SetIcon at runtime. -->
+    <Content Include="Assets\app.ico" Condition="Exists('Assets\app.ico')">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </Content>
     <Content Include="Assets\Square150x150Logo.png" Condition="Exists('Assets\Square150x150Logo.png')" />
     <Content Include="Assets\Square44x44Logo.png" Condition="Exists('Assets\Square44x44Logo.png')" />
     <Content Include="Assets\StoreLogo.png" Condition="Exists('Assets\StoreLogo.png')" />
diff --git a/apps/windows/Cascade/MainWindow.xaml.cs b/apps/windows/Cascade/MainWindow.xaml.cs
index e3503a0..679085e 100644
--- a/apps/windows/Cascade/MainWindow.xaml.cs
+++ b/apps/windows/Cascade/MainWindow.xaml.cs
@@ -1,4 +1,5 @@
 using System;
+using System.IO;
 using Cascade.Services;
 using Cascade.ViewModels;
 using Microsoft.UI.Dispatching;
@@ -15,10 +16,25 @@ public sealed partial class MainWindow : Window
     public MainWindow()
     {
         InitializeComponent();
+        SetWindowIcon();
         ViewModel = new AppViewModel(DispatcherQueue.GetForCurrentThread());
         Closed += (_, _) => ViewModel.Dispose();
     }
 
+    /// <summary>
+    /// Set the title-bar / taskbar icon for this unpackaged window. The .exe
+    /// already embeds the icon via &lt;ApplicationIcon&gt; (Explorer/Alt-Tab),
+    /// but the live window needs it set explicitly through AppWindow.
+    /// </summary>
+    private void SetWindowIcon()
+    {
+        var iconPath = Path.Combine(AppContext.BaseDirectory, "Assets", "app.ico");
+        if (!File.Exists(iconPath)) return;
+        var hwnd = WinRT.Interop.WindowNative.GetWindowHandle(this);
+        var windowId = Microsoft.UI.Win32Interop.GetWindowIdFromWindow(hwnd);
+        Microsoft.UI.Windowing.AppWindow.GetFromWindowId(windowId).SetIcon(iconPath);
+    }
+
     /// <summary>
     /// Slider raises ValueChanged on every motion frame; ignore the initial
     /// load callback (where IntermediateValue == OldValue) so we don't