diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
new file mode 100644
index 0000000..9579a8c
--- /dev/null
+++ b/.github/workflows/build.yml
@@ -0,0 +1,50 @@
+name: Build
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+  workflow_dispatch:
+
+jobs:
+  build:
+    runs-on: windows-latest
+
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v4
+
+    - name: Add MSBuild to PATH
+      uses: microsoft/setup-msbuild@v2
+
+    - name: Restore NuGet packages
+      run: nuget restore rw.sln
+
+    - name: Build RW project
+      run: msbuild rw\RW.vcxproj /p:Configuration=Debug /p:Platform=Win32
+      continue-on-error: true
+
+    - name: Build GPSBabel project
+      run: msbuild gpsbabel\msvc\GPSBabel.vcxproj /p:Configuration=Debug /p:Platform=Win32
+      continue-on-error: true
+
+    - name: Upload RW artifacts
+      uses: actions/upload-artifact@v4
+      if: always()
+      with:
+        name: rw-debug
+        path: |
+          rw/Debug/**/*.exe
+          rw/Debug/**/*.dll
+        if-no-files-found: warn
+
+    - name: Upload GPSBabel artifacts
+      uses: actions/upload-artifact@v4
+      if: always()
+      with:
+        name: gpsbabel-debug
+        path: |
+          gpsbabel/Debug/**/*.exe
+          gpsbabel/Debug/**/*.dll
+        if-no-files-found: warn