diff --git a/.github/workflows/unit-testing.yml b/.github/workflows/unit-testing.yml
new file mode 100644
index 00000000..5fbbae8e
--- /dev/null
+++ b/.github/workflows/unit-testing.yml
@@ -0,0 +1,41 @@
+name: Unit testing (Windows / MSBuild)
+
+on:
+  workflow_dispatch:
+  push:
+    branches: ["master"]
+  pull_request:
+    branches: ["master"]
+  schedule:
+    - cron: "0 0 * * 0"   # weekly, Sunday 00:00 UTC
+
+permissions:
+  contents: read
+
+jobs:
+  test:
+    runs-on: windows-latest
+
+    env:
+      SOLUTION_NAME: TechnitiumLibrary.sln
+      BUILD_CONFIGURATION: Debug
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Install .NET 9 SDK
+        uses: actions/setup-dotnet@v4
+        with:
+          dotnet-version: 9.0.x
+
+      - name: Add MSBuild to PATH
+        uses: microsoft/setup-msbuild@v2
+
+      - name: Restore
+        run: msbuild ${{ env.SOLUTION_NAME }} /t:Restore
+
+      - name: Build
+        run: msbuild ${{ env.SOLUTION_NAME }} /m /p:Configuration=${{ env.BUILD_CONFIGURATION }}
+
+      - name: Test (msbuild)
+        run: msbuild TechnitiumLibrary.UnitTests\TechnitiumLibrary.UnitTests.csproj /t:Test /p:Configuration=${{ env.BUILD_CONFIGURATION }}
\ No newline at end of file
diff --git a/README.md b/README.md
index b329873a..ad146a6c 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,6 @@
 # TechnitiumLibrary
 A library for .net based applications.
+
+## Quality Assurance
+
+[![Unit testing (Windows / MSBuild)](https://github.com/TechnitiumSoftware/TechnitiumLibrary/actions/workflows/unit-testing.yml/badge.svg)](https://github.com/TechnitiumSoftware/TechnitiumLibrary/actions/workflows/unit-testing.yml)
\ No newline at end of file
diff --git a/TechnitiumLibrary.UnitTests/MSTestSettings.cs b/TechnitiumLibrary.UnitTests/MSTestSettings.cs
new file mode 100644
index 00000000..e466aa12
--- /dev/null
+++ b/TechnitiumLibrary.UnitTests/MSTestSettings.cs
@@ -0,0 +1,3 @@
+using Microsoft.VisualStudio.TestTools.UnitTesting;
+
+[assembly: Parallelize(Scope = ExecutionScope.MethodLevel)]
diff --git a/TechnitiumLibrary.UnitTests/TechnitiumLibrary.UnitTests.csproj b/TechnitiumLibrary.UnitTests/TechnitiumLibrary.UnitTests.csproj
new file mode 100644
index 00000000..81e42102
--- /dev/null
+++ b/TechnitiumLibrary.UnitTests/TechnitiumLibrary.UnitTests.csproj
@@ -0,0 +1,15 @@
+<Project Sdk="MSTest.Sdk/4.0.1">
+
+  <PropertyGroup>
+    <TargetFramework>net9.0</TargetFramework>
+    <LangVersion>latest</LangVersion>
+    <ImplicitUsings>disable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+    <UseVSTest>true</UseVSTest>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\TechnitiumLibrary\TechnitiumLibrary.csproj" />
+  </ItemGroup>
+
+</Project>
diff --git a/TechnitiumLibrary.sln b/TechnitiumLibrary.sln
index 9cbcda3e..bfc3298a 100644
--- a/TechnitiumLibrary.sln
+++ b/TechnitiumLibrary.sln
@@ -25,6 +25,8 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "TechnitiumLibrary", "Techni
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "TechnitiumLibrary.Security.OTP", "TechnitiumLibrary.Security.OTP\TechnitiumLibrary.Security.OTP.csproj", "{72AF4EB6-EB81-4655-9998-8BF24B304614}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "TechnitiumLibrary.UnitTests", "TechnitiumLibrary.UnitTests\TechnitiumLibrary.UnitTests.csproj", "{D0CD41D8-E5F0-4EEF-81E3-587A2A877C49}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -75,6 +77,10 @@ Global
 		{72AF4EB6-EB81-4655-9998-8BF24B304614}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{72AF4EB6-EB81-4655-9998-8BF24B304614}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{72AF4EB6-EB81-4655-9998-8BF24B304614}.Release|Any CPU.Build.0 = Release|Any CPU
+		{D0CD41D8-E5F0-4EEF-81E3-587A2A877C49}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{D0CD41D8-E5F0-4EEF-81E3-587A2A877C49}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{D0CD41D8-E5F0-4EEF-81E3-587A2A877C49}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{D0CD41D8-E5F0-4EEF-81E3-587A2A877C49}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE