Scroll down where they have a screenshot of their graphical user interface, and download the DMG from the link right above that. A new open source installer which automates the steps found in the Homebrew approach below is now available from InstallAware's GitHub Repo.Open/mount the dmg file (some commands will require that it is mounted). Search for Game Porting Toolkit and download it.If you have an old version Xcode installed, remove it.Search for Command Line Tools for Xcode 15 beta and download the dmg file, and run the contained pkg file.
You can download the pkg installer from Mr Macintosh blog. Toolkit install instructions Requirements
