Head to the official LLVM GitHub releases page or llvm.org . Look for the file named LLVM-<version>-win64.exe (for 64-bit Windows).
Launch the "Visual Studio Installer" application. install clang windows
| Problem | Solution | | :--- | :--- | | 'clang' is not recognized | The PATH environment variable is missing the bin directory. Reboot after changing PATH. | | fatal error: 'iostream' file not found | You are not using a developer command prompt, or you have a standalone Clang without SDKs. Install Visual Studio Build Tools or use clang-cl instead of clang . | | LINK : fatal error LNK1104: cannot open file 'libcmt.lib' | Your Visual Studio installation is missing the Windows SDK. Re-run the VS Installer and add the . | | undefined reference to 'WinMain' | You forgot a main() function, or you are compiling a GUI app without specifying /SUBSYSTEM:WINDOWS . | Head to the official LLVM GitHub releases page or llvm
This is the most stable method for developers who already use Visual Studio. It ensures Clang is fully compatible with Windows system libraries. | Problem | Solution | | :--- |
Create a test file hello.cpp :