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.Visit Apple Developer Downloads site, these files are now free to download use for any logged in Apple account.macOS Ventura causes large numbers of issues with steamwebhelper.exe crashing so it isn't recommended, use the macOS Sonoma beta.You can download the pkg installer from Mr Macintosh blog. macOS Sonoma should be used, currently it is in beta.Toolkit install instructions Requirements 6.11 My game looks pixelated and the display resolution is limited.6.9 My game won’t boot anymore even though I made no changes.6.8 My game won’t run because it requires Mono.6.2 Steam crashes straight after opening.3.3 Epic / GOG.com / Amazon Prime Gaming support with the Heroic Games Launcher.1.7 Ensure the toolkit is already on latest version.

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