diff --git a/README.md b/README.md
index 5f02ff6..9b558f4 100644
--- a/README.md
+++ b/README.md
@@ -258,6 +258,8 @@ public partial class App : Application
 ```
 
 This enables the MCP server to connect to your application via named pipes for real-time inspection.
+The Inspector multi-targets .NET Framework 4.7.2, .NET Framework 4.8, and
+.NET 8 for Windows, so project references select a compatible build.
 
 ## Usage Examples
 
@@ -469,7 +471,7 @@ WpfVisualTreeMcp/
 │   │   ├── WpfTools.cs                 # 20 WPF tools (17 inspection + click/set-text/send-keys)
 │   │   ├── Cli/CliRunner.cs            # One-shot CLI front-end (v0.4.0)
 │   │   └── Services/                   # Process & IPC management
-│   ├── WpfVisualTreeMcp.Inspector/     # Injected DLL (.NET Framework 4.8)
+│   ├── WpfVisualTreeMcp.Inspector/     # Injected DLL (.NET Framework 4.7.2/4.8 and .NET 8)
 │   ├── WpfVisualTreeMcp.Injector/      # Managed injection logic (CreateRemoteThread; net48 + net8.0)
 │   ├── WpfVisualTreeMcp.InjectorHelper/# x86 .NET 8 helper exe for cross-arch injection (v0.6.0)
 │   ├── WpfVisualTreeMcp.Bootstrapper/  # Native C++ DLL for CLR hosting
diff --git a/WpfVisualTreeMcp.sln b/WpfVisualTreeMcp.sln
index f7d05a8..2f645e7 100644
--- a/WpfVisualTreeMcp.sln
+++ b/WpfVisualTreeMcp.sln
@@ -31,6 +31,8 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution
 		mcp.json = mcp.json
 	EndProjectSection
 EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "WpfVisualTreeMcp.Shared.Tests", "tests\WpfVisualTreeMcp.Shared.Tests\WpfVisualTreeMcp.Shared.Tests.csproj", "{17056590-7FA9-414F-9772-6C60C56C1A5D}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -65,6 +67,10 @@ Global
 		{F6A7B8C9-D0E1-2345-F012-456789012345}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{F6A7B8C9-D0E1-2345-F012-456789012345}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{F6A7B8C9-D0E1-2345-F012-456789012345}.Release|Any CPU.Build.0 = Release|Any CPU
+		{17056590-7FA9-414F-9772-6C60C56C1A5D}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{17056590-7FA9-414F-9772-6C60C56C1A5D}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{17056590-7FA9-414F-9772-6C60C56C1A5D}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{17056590-7FA9-414F-9772-6C60C56C1A5D}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
@@ -77,6 +83,7 @@ Global
 		{B0A1C2D3-E4F5-6789-0123-456789ABCDEF} = {1A2B3C4D-5E6F-7890-1234-567890ABCDEF}
 		{E5F6A7B8-C9D0-1234-EF01-345678901234} = {2B3C4D5E-6F78-9012-3456-7890ABCDEF01}
 		{F6A7B8C9-D0E1-2345-F012-456789012345} = {3C4D5E6F-7890-1234-5678-90ABCDEF0123}
+		{17056590-7FA9-414F-9772-6C60C56C1A5D} = {3C4D5E6F-7890-1234-5678-90ABCDEF0123}
 	EndGlobalSection
 	GlobalSection(ExtensibilityGlobals) = postSolution
 		SolutionGuid = {12345678-90AB-CDEF-1234-567890ABCDEF}
diff --git a/src/WpfVisualTreeMcp.Injector/WpfVisualTreeMcp.Injector.csproj b/src/WpfVisualTreeMcp.Injector/WpfVisualTreeMcp.Injector.csproj
index 68746ba..9c5b260 100644
--- a/src/WpfVisualTreeMcp.Injector/WpfVisualTreeMcp.Injector.csproj
+++ b/src/WpfVisualTreeMcp.Injector/WpfVisualTreeMcp.Injector.csproj
@@ -1,12 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <!--
-      Multi-targeted so the x86 InjectorHelper (net8.0) can reference us without
-      a cross-TFM warning. .NET Framework 4.8 stays around so the existing server
-      build path is unchanged.
-    -->
-    <TargetFrameworks>net48;net8.0</TargetFrameworks>
+    <TargetFramework>net8.0</TargetFramework>
     <OutputType>Library</OutputType>
     <RootNamespace>WpfVisualTreeMcp.Injector</RootNamespace>
     <AssemblyName>WpfVisualTreeMcp.Injector</AssemblyName>
diff --git a/src/WpfVisualTreeMcp.Inspector/WpfVisualTreeMcp.Inspector.csproj b/src/WpfVisualTreeMcp.Inspector/WpfVisualTreeMcp.Inspector.csproj
index 87ab961..8437e6c 100644
--- a/src/WpfVisualTreeMcp.Inspector/WpfVisualTreeMcp.Inspector.csproj
+++ b/src/WpfVisualTreeMcp.Inspector/WpfVisualTreeMcp.Inspector.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>net48;net8.0-windows</TargetFrameworks>
+    <TargetFrameworks>net472;net48;net8.0-windows</TargetFrameworks>
     <OutputType>Library</OutputType>
     <RootNamespace>WpfVisualTreeMcp.Inspector</RootNamespace>
     <AssemblyName>WpfVisualTreeMcp.Inspector</AssemblyName>
@@ -10,9 +10,9 @@
     <UseWPF Condition="'$(TargetFramework)' == 'net8.0-windows'">true</UseWPF>
   </PropertyGroup>
 
-  <!-- .NET Framework 4.8: explicit WPF references -->
+  <!-- .NET Framework 4.7.2/4.8: explicit WPF references -->
   <!-- (net8.0-windows pulls these in automatically via UseWPF) -->
-  <ItemGroup Condition="'$(TargetFramework)' == 'net48'">
+  <ItemGroup Condition="'$(TargetFramework)' == 'net472' Or '$(TargetFramework)' == 'net48'">
     <Reference Include="PresentationCore" />
     <Reference Include="PresentationFramework" />
     <Reference Include="WindowsBase" />
diff --git a/src/WpfVisualTreeMcp.Shared/WpfVisualTreeMcp.Shared.csproj b/src/WpfVisualTreeMcp.Shared/WpfVisualTreeMcp.Shared.csproj
index 36134d1..30b3e48 100644
--- a/src/WpfVisualTreeMcp.Shared/WpfVisualTreeMcp.Shared.csproj
+++ b/src/WpfVisualTreeMcp.Shared/WpfVisualTreeMcp.Shared.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>net8.0;net48</TargetFrameworks>
+    <TargetFrameworks>net8.0;net472;net48</TargetFrameworks>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
     <LangVersion>12.0</LangVersion>
@@ -9,7 +9,7 @@
   </PropertyGroup>
 
   <!-- System.Text.Json is built-in for .NET 8, but needs NuGet package for .NET Framework -->
-  <ItemGroup Condition="'$(TargetFramework)' == 'net48'">
+  <ItemGroup Condition="'$(TargetFramework)' == 'net472' Or '$(TargetFramework)' == 'net48'">
     <PackageReference Include="System.Text.Json" Version="8.0.5" />
   </ItemGroup>
 
diff --git a/tests/WpfVisualTreeMcp.Tests/IpcSerializerTests.cs b/tests/WpfVisualTreeMcp.Shared.Tests/IpcSerializerTests.cs
similarity index 100%
rename from tests/WpfVisualTreeMcp.Tests/IpcSerializerTests.cs
rename to tests/WpfVisualTreeMcp.Shared.Tests/IpcSerializerTests.cs
diff --git a/tests/WpfVisualTreeMcp.Tests/SharedModelsTests.cs b/tests/WpfVisualTreeMcp.Shared.Tests/SharedModelsTests.cs
similarity index 100%
rename from tests/WpfVisualTreeMcp.Tests/SharedModelsTests.cs
rename to tests/WpfVisualTreeMcp.Shared.Tests/SharedModelsTests.cs
diff --git a/tests/WpfVisualTreeMcp.Shared.Tests/WpfVisualTreeMcp.Shared.Tests.csproj b/tests/WpfVisualTreeMcp.Shared.Tests/WpfVisualTreeMcp.Shared.Tests.csproj
new file mode 100644
index 0000000..325fad8
--- /dev/null
+++ b/tests/WpfVisualTreeMcp.Shared.Tests/WpfVisualTreeMcp.Shared.Tests.csproj
@@ -0,0 +1,30 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFrameworks>net8.0;net472;net48</TargetFrameworks>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+    <LangVersion>12.0</LangVersion>
+    <IsPackable>false</IsPackable>
+    <IsTestProject>true</IsTestProject>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
+    <PackageReference Include="xunit" Version="2.6.3" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="2.5.4">
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+      <PrivateAssets>all</PrivateAssets>
+    </PackageReference>
+    <PackageReference Include="FluentAssertions" Version="6.12.0" />
+    <PackageReference Include="coverlet.collector" Version="6.0.0">
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+      <PrivateAssets>all</PrivateAssets>
+    </PackageReference>
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\..\src\WpfVisualTreeMcp.Shared\WpfVisualTreeMcp.Shared.csproj" />
+  </ItemGroup>
+
+</Project>