To install the new version of Clang/LLVM on Windows, follow these steps:Remove the previous installation by removing the directory and path from the environment variable.Install Clang/LLVM MinGW using WinGet and set the environment variable path.There are two versions available: LLVM.LLVM (Official) and MartinStorsjo.LLVM-MinGW.UCRT. Choose based on your requirements.