Once that is done, you will need to go to the Game Options > General and add in the App ID for your game project (as listed in the SteamWorks control panel): This is done from the Preferences > Platform Settings > Steam : To build a package for Steam you must first have made sure that the SteamWorks SDK is installed and visible to GameMaker Studio 2. We'll now explain the process for each of these different options. The most important things to do are to make sure that you have an appropriate App ID in the Game Options (although all the details for the different tabs should be filled out too), and you'll then need to decide what kind of executable package you want to build: When it comes time to create your final executable package for your macOS project, you will first need to make sure that the Game Options are correct before continuing.

You must have set up your macOS target correctly before continuing.

This article outlines how to create a final executable package for the macOS Desktop target.

Make exe file mac