rustup , download and run the rustup installer: rustup-init.exe Be sure to select Quick install via the Visual Studio Community installer In the Visual Studio installer, ensure the following components are dependencies installed as well Install Nix, the package manager — the easiest way is to use the installer, with either the multi- user or single-user installation (your choice) Tell mach to use Nix: export (remember we require "Latest" in set up your environment!). To resolve it, launch the Visual Studio Installer and apply all available updates. (on Windows) thread 'main' panicked at 'Unable to find libclang: