To use the Game Porting Toolkit, you'll need to use a number of Terminal commands in order to set up the app. The exact commands and the sequence in which they must be used, as well as instructions for troubleshooting some common GPTK issues, are available in our guide on this page. An alternative way to use the Game Porting Toolkit is to integrate it into the CrossOver app, which makes the entire process a lot easier and quicker.