Here’s a concise guide to using Clang on Windows with proper setup and practical commands.
1. Install Clang on Windows Option A: Visual Studio Build Tools (Recommended)
Install Visual Studio Build Tools (or full VS) from https://visualstudio.microsoft.com/ Select “Desktop development with C++” → includes Clang, MSVC toolchain, CMake Then install Clang via Visual Studio Installer (Individual components → “Clang compiler”)
Option B: LLVM official release
Download from https://releases.llvm.org/ Install and check “Add LLVM to PATH”
Option C: MinGW-w64 + Clang (alternative) winget install -e --id LLVM.LLVM
2. Verify installation clang --version clang compiler windows
Example output: clang version 18.1.8 Target: x86_64-pc-windows-msvc
3. Choose C++ runtime (Important!) MSVC runtime (default, uses Visual Studio’s libs) clang++ main.cpp -o main.exe
Requires cl.exe (from VS Build Tools) in PATH. Run vcvars64.bat from VS or use Developer Command Prompt . MinGW runtime (standalone, no VS required) clang++ main.cpp -o main.exe -target x86_64-w64-windows-gnu Here’s a concise guide to using Clang on
Or install mingw-w64 and set default: clang++ main.cpp -o main.exe -stdlib=libstdc++ -L C:/mingw64/lib
4. Common compilation examples Simple compile: clang++ hello.cpp -o hello.exe