diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
new file mode 100644
index 00000000..79d66374
--- /dev/null
+++ b/.github/workflows/build.yml
@@ -0,0 +1,146 @@
+name: Build
+
+on:
+  push:
+    branches: ["**"]
+    tags:     ["v*.*.*"]
+  pull_request:
+  workflow_dispatch:
+
+jobs:
+  build:
+    runs-on: windows-2022
+
+    strategy:
+      fail-fast: false
+      matrix:
+        configuration: [Release, Debug]
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          submodules: recursive
+
+      # -------------------------------------------------------------------
+      # Install v141 (VS 2017) toolset and WinXP support on the runner.
+      # The WinXP component provides the v141_xp toolset required by premake.
+      # -------------------------------------------------------------------
+      - name: Install v141_xp toolset
+        shell: cmd
+        run: |
+          "%ProgramFiles(x86)%\Microsoft Visual Studio\Installer\setup.exe" modify ^
+            --passive --norestart ^
+            --installPath "C:\Program Files\Microsoft Visual Studio\2022\Enterprise" ^
+            --add Microsoft.VisualStudio.Component.VC.v141.x86.x64 ^
+            --add Microsoft.VisualStudio.Component.WinXP
+        # Timeout ocasional é esperado; o step falha limpo se o installer
+        # retornar código != 0, o que torna o problema visível nos logs.
+
+      # -------------------------------------------------------------------
+      # Generate VS2015 project files using Premake (premake5.exe included
+      # in the repository).
+      # Premake sets PlatformToolset=v140_xp in the .vcxproj files; this is
+      # overridden when invoking MSBuild below without modifying premake5.lua.
+      # -------------------------------------------------------------------
+      - name: Generate project files (vs2015)
+        shell: cmd
+        run: premake5.exe vs2015 --outdir=build_temp
+
+      # -------------------------------------------------------------------
+      # Configure MSVC environment for toolset 14.16 (VS 2017 / v141).
+      # Required so msbuild can locate the correct compiler and toolset.
+      # -------------------------------------------------------------------
+      - name: Setup MSVC environment (v141)
+        uses: ilammy/msvc-dev-cmd@v1
+        with:
+          arch:    x86
+          toolset: 14.16   # toolset do VS 2017
+
+      # -------------------------------------------------------------------
+      # Build and override PlatformToolset to v141_xp via MSBuild.
+      # MSBuild command-line properties passed with /p: take precedence over
+      # project file values. v141_xp is the v141 toolset variant that provides
+      # WinXP support.
+      # /m    -> enable parallel build using all available cores.
+      # /v:m  -> minimal verbosity for concise logs.
+      # -------------------------------------------------------------------
+      - name: Build (${{ matrix.configuration }})
+        shell: cmd
+        run: |
+          msbuild build_temp\modloader.sln ^
+            /p:Configuration=${{ matrix.configuration }} ^
+            /p:Platform=Win32 ^
+            /p:PlatformToolset=v141_xp ^
+            /m /v:m
+
+      # -------------------------------------------------------------------
+      # Collect generated binaries.
+      # Premake output layout: bin/ (modloader.asi) and
+      # bin/plugins/gta3/*.dll for plugins.
+      # -------------------------------------------------------------------
+      - name: Collect artifacts
+        shell: pwsh
+        run: |
+          $cfg  = "${{ matrix.configuration }}"
+          $dest = "artifacts\modloader-$cfg"
+
+          # Main ASI binary
+          New-Item -ItemType Directory -Force -Path "$dest" | Out-Null
+          Copy-Item "bin\modloader.asi"         "$dest\" -ErrorAction SilentlyContinue
+
+          # GTA3 plugins
+          $pluginSrc = "bin\plugins\gta3"
+          if (Test-Path $pluginSrc) {
+              New-Item -ItemType Directory -Force -Path "$dest\plugins\gta3" | Out-Null
+              Copy-Item "$pluginSrc\*.dll" "$dest\plugins\gta3\" -ErrorAction SilentlyContinue
+          }
+
+          # PDB files (placed with binaries in the same directory)
+          Copy-Item "bin\*.pdb"                    "$dest\" -ErrorAction SilentlyContinue
+          Copy-Item "bin\plugins\gta3\*.pdb"       "$dest\plugins\gta3\" -ErrorAction SilentlyContinue
+
+          # Example docs and configuration files
+          Copy-Item "doc\config\*.ini.0"                "$dest\" -ErrorAction SilentlyContinue
+          Copy-Item "doc\CHANGELOG.md"                  "$dest\" -ErrorAction SilentlyContinue
+          Copy-Item "LICENSE"                           "$dest\" -ErrorAction SilentlyContinue
+
+          Write-Host "=== Artifacts ===" 
+          Get-ChildItem -Recurse $dest | Select-Object FullName
+
+      - name: Upload artifact – ${{ matrix.configuration }}
+        uses: actions/upload-artifact@v4
+        with:
+          name: modloader-${{ matrix.configuration }}-${{ github.sha }}
+          path: artifacts\modloader-${{ matrix.configuration }}\
+          if-no-files-found: error
+          retention-days: 30
+
+  # -----------------------------------------------------------------------
+  # Extra job: create a GitHub Release when a tag matching v*.*.* is pushed.
+  # Runs only if the build (Release) job completed successfully.
+  # -----------------------------------------------------------------------
+  release:
+    if: startsWith(github.ref, 'refs/tags/v')
+    needs: build
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+
+    steps:
+      - name: Download Release artifact
+        uses: actions/download-artifact@v4
+        with:
+          name: modloader-Release-${{ github.sha }}
+          path: dist/
+
+      - name: Zip release
+        run: |
+          cd dist
+          zip -r ../modloader-${{ github.ref_name }}.zip .
+
+      - name: Create GitHub Release
+        uses: softprops/action-gh-release@v2
+        with:
+          files: modloader-${{ github.ref_name }}.zip
+          generate_release_notes: true