diff --git a/.azure/post-build.ps1 b/.azure/post-build.ps1
new file mode 100644
index 00000000..ddb41e4b
--- /dev/null
+++ b/.azure/post-build.ps1
@@ -0,0 +1,37 @@
+param (
+    [Parameter(Mandatory = $false)]
+    [ValidateSet("x86", "x64", "arm", "arm64", "arm64ec")]
+    [string]$Arch = "x64",
+
+    [Parameter(Mandatory = $false)]
+    [ValidateSet("Debug", "Release")]
+    [string]$Config = "Release"
+)
+
+Set-StrictMode -Version 'Latest'
+$PSDefaultParameterValues['*:ErrorAction'] = 'Stop'
+
+function Execute([String]$Name, [String]$Arguments) {
+    Write-Debug "$Name $Arguments"
+    $process = Start-Process $Name $Arguments -PassThru -NoNewWindow -WorkingDirectory "./build"
+    $handle = $process.Handle # Magic work around. Don't remove this line.
+    $process.WaitForExit();
+    if ($process.ExitCode -ne 0) {
+        Write-Error "$Name exited with status code $($process.ExitCode)"
+    }
+}
+
+if ($env:ONEBRANCH_ARCH) {
+    $Arch = $env:ONEBRANCH_ARCH
+}
+if ($env:ONEBRANCH_CONFIG) {
+    $Config = $env:ONEBRANCH_CONFIG
+}
+
+$platform = "$($Arch)fre"
+if ($Config -eq "Debug") {
+    $platform = "$($Arch)chk"
+}
+
+Execute 'C:/Program Files (x86)/WiX Toolset v3.14/bin/candle.exe' "../src/installer.wxs -o bin/$platform/quicreach.wixobj"
+Execute 'C:/Program Files (x86)/WiX Toolset v3.14/bin/light.exe' "-b bin/$($Arch)fre/Release -o bin/$platform/quicreach.msi bin/$($Arch)fre/quicreach.wixobj"
diff --git a/.azure/pre-build.ps1 b/.azure/pre-build.ps1
new file mode 100644
index 00000000..df56d217
--- /dev/null
+++ b/.azure/pre-build.ps1
@@ -0,0 +1,49 @@
+param (
+    [Parameter(Mandatory = $false)]
+    [ValidateSet("x86", "x64", "arm", "arm64", "arm64ec")]
+    [string]$Arch = "x64",
+
+    [Parameter(Mandatory = $false)]
+    [ValidateSet("Debug", "Release")]
+    [string]$Config = "Release",
+
+    [Parameter(Mandatory = $false)]
+    [ValidateSet("schannel", "openssl")]
+    [string]$Tls = "schannel",
+
+    [Parameter(Mandatory = $false)]
+    [ValidateSet("static", "shared")]
+    [string]$Link = "static"
+)
+
+Set-StrictMode -Version 'Latest'
+$PSDefaultParameterValues['*:ErrorAction'] = 'Stop'
+
+function Execute([String]$Name, [String]$Arguments) {
+    Write-Debug "$Name $Arguments"
+    $process = Start-Process $Name $Arguments -PassThru -NoNewWindow -WorkingDirectory "./build"
+    $handle = $process.Handle # Magic work around. Don't remove this line.
+    $process.WaitForExit();
+    if ($process.ExitCode -ne 0) {
+        Write-Error "$Name exited with status code $($process.ExitCode)"
+    }
+}
+
+if ($env:ONEBRANCH_ARCH) {
+    $Arch = $env:ONEBRANCH_ARCH
+}
+if ($env:ONEBRANCH_CONFIG) {
+    $Config = $env:ONEBRANCH_CONFIG
+}
+
+if (!(Test-Path "./build")) {
+    New-Item -Path "./build" -ItemType Directory -Force | Out-Null
+}
+
+$_Arch = $Arch
+if ($_Arch -eq "x86") { $_Arch = "Win32" }
+
+$Shared = "off"
+if ($Link -ne "static") { $Shared = "on" }
+
+Execute "cmake" "-G ""Visual Studio 17 2022"" -A $_Arch -DREACH_ARCH=$_Arch -DQUIC_TLS=$Tls -DQUIC_BUILD_SHARED=$Shared .."
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index acca8d2b..08034deb 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -51,11 +51,11 @@ jobs:
       with:
         name: bin-${{ matrix.os }}-${{ matrix.arch }}-${{ matrix.tls }}-${{ matrix.link }}
         path: |
-          build/**/*.so
-          build/**/*.dll
-          build/**/quicreach
-          build/**/quicreach.exe
-          build/**/quicreach.msi
+          build/bin/**/*.so
+          build/bin/**/*.dll
+          build/bin/**/quicreach
+          build/bin/**/quicreach.exe
+          build/bin/**/quicreach.msi
     - name: Test (Linux)
       if: runner.os == 'Linux'
       run: /usr/local/lib/quicreach outlook-evergreen.office.com,www.cloudflare.com,www.google.com --req-all --stats
diff --git a/.github/workflows/onebranch.yml b/.github/workflows/onebranch.yml
new file mode 100644
index 00000000..dfeec9d4
--- /dev/null
+++ b/.github/workflows/onebranch.yml
@@ -0,0 +1,43 @@
+name: Build
+
+on:
+  push:
+    branches: main
+  pull_request:
+    branches: main
+
+permissions: read-all
+
+jobs:
+  build:
+    strategy:
+      fail-fast: false
+      matrix:
+        arch: [x64, arm64]
+    name: Build
+    runs-on: windows-latest
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633
+      with:
+        submodules: 'recursive'
+    - name: Setup MSBuild
+      uses: microsoft/setup-msbuild@6fb02220983dee41ce7ae257b6f4d8f9bf5ed4ce
+    - name: Pre-Build
+      shell: pwsh
+      run: ./.azure/pre-build.ps1 -Arch ${{ matrix.arch }}
+    - name: Build
+      run: msbuild ./build/ALL_BUILD.vcxproj /p:Configuration=Release /p:Platform=${{ matrix.arch }}
+    - name: Post-Build
+      shell: pwsh
+      run: ./.azure/post-build.ps1 -Arch ${{ matrix.arch }}
+    - name: Upload
+      uses: actions/upload-artifact@5d5d22a31266ced268874388b861e4b58bb5c2f3
+      with:
+        name: bin-windows-${{ matrix.arch }}
+        path: |
+          build/bin/**/*.so
+          build/bin/**/*.dll
+          build/bin/**/quicreach
+          build/bin/**/quicreach.exe
+          build/bin/**/quicreach.msi
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 5ce92015..c95ba5f7 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,8 +1,8 @@
 # Copyright (c) Microsoft Corporation.
 # Licensed under the MIT License.
 
-project(quicreach)
 cmake_minimum_required(VERSION 3.16) # 3.20 for non-shared libs
+project(quicreach)
 
 # Use, i.e. don't skip the full RPATH for the build tree.
 set(CMAKE_SKIP_BUILD_RPATH FALSE)
@@ -16,6 +16,20 @@ set(CMAKE_INSTALL_RPATH "${CMAKE_INSTALL_PREFIX}/lib")
 # outside the build tree to the install RPATH.
 set(CMAKE_INSTALL_RPATH_USE_LINK_PATH TRUE)
 
+# Configure output paths.
+set(REACH_ARCH ${CMAKE_SYSTEM_PROCESSOR} CACHE STRING "Output architecture")
+set(REACH_BUILD_DIR ${CMAKE_CURRENT_BINARY_DIR})
+set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${REACH_BUILD_DIR}/obj/${REACH_ARCH}$<IF:$<CONFIG:Debug>,chk,fre>)
+set(REACH_OUTPUT_DIR ${REACH_BUILD_DIR}/bin/${REACH_ARCH}$<IF:$<CONFIG:Debug>,chk,fre> CACHE STRING "Output directory for build artifacts")
+message(STATUS "Build Output: ${REACH_OUTPUT_DIR}")
+
+set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${REACH_OUTPUT_DIR})
+set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${REACH_OUTPUT_DIR})
+set(CMAKE_LIBRARY_OUTPUT_DIRECTORY_RELEASE ${REACH_OUTPUT_DIR})
+set(CMAKE_RUNTIME_OUTPUT_DIRECTORY_RELEASE ${REACH_OUTPUT_DIR})
+set(CMAKE_LIBRARY_OUTPUT_DIRECTORY_DEBUG ${REACH_OUTPUT_DIR})
+set(CMAKE_RUNTIME_OUTPUT_DIRECTORY_DEBUG ${REACH_OUTPUT_DIR})
+
 if (WIN32)
     # Statically link the OS included part of the runtime.
     set(CMAKE_MSVC_RUNTIME_LIBRARY "MultiThreaded$<$<CONFIG:Debug>:Debug>")
diff --git a/build.ps1 b/build.ps1
index fa37eeb4..e60cfc24 100644
--- a/build.ps1
+++ b/build.ps1
@@ -53,12 +53,12 @@ if ($IsWindows) {
 
     $_Arch = $Arch
     if ($_Arch -eq "x86") { $_Arch = "Win32" }
-    Execute "cmake" "-G ""Visual Studio 17 2022"" -A $_Arch -DQUIC_TLS=$Tls -DQUIC_BUILD_SHARED=$Shared .."
+    Execute "cmake" "-G ""Visual Studio 17 2022"" -A $_Arch -DREACH_ARCH=$Arch -DQUIC_TLS=$Tls -DQUIC_BUILD_SHARED=$Shared .."
     Execute "cmake" "--build . --config $Config"
 
     if ($BuildInstaller) {
-        Execute 'C:/Program Files (x86)/WiX Toolset v3.14/bin/candle.exe' "../src/installer.wxs -o src/Release/quicreach.wixobj"
-        Execute 'C:/Program Files (x86)/WiX Toolset v3.14/bin/light.exe' "-b src/Release -o src/Release/quicreach.msi src/Release/quicreach.wixobj"
+        Execute 'C:/Program Files (x86)/WiX Toolset v3.14/bin/candle.exe' "../src/installer.wxs -o bin/$($Arch)fre/quicreach.wixobj"
+        Execute 'C:/Program Files (x86)/WiX Toolset v3.14/bin/light.exe' "-b bin/$($Arch)fre/Release -o bin/$($Arch)fre/quicreach.msi bin/$($Arch)fre/quicreach.wixobj"
     }
 
     if ($Install) { Execute "cmake" "--install . --config Release" }
@@ -67,7 +67,7 @@ if ($IsWindows) {
 
     $BuildType = $Config
     if ($BuildType -eq "Release") { $BuildType = "RelWithDebInfo" }
-    Execute "cmake" "-G ""Unix Makefiles"" -DCMAKE_BUILD_TYPE=$BuildType -DQUIC_TLS=$Tls -DQUIC_BUILD_SHARED=$Shared .."
+    Execute "cmake" "-G ""Unix Makefiles"" -DCMAKE_BUILD_TYPE=$BuildType -DREACH_ARCH=$Arch -DQUIC_TLS=$Tls -DQUIC_BUILD_SHARED=$Shared .."
     Execute "cmake" "--build ."
 
     if ($Install) { Execute "sudo" "cmake --install . --config Release" }