Most coders don't prefer this compiler !!including myself!! but schools and college recommend it so here we are. This compiler has been well tested with MacOS 10.13.6 (MacOSX High Sierra).
To setup this app download the zip file then extract the .app file from archive to Application folder. Use Spotlight Search to find app and open it. Create your program.
To understant more about your compiler go:
Watch for quick intro https://www.youtube.com/watch?v=SVkR1ZkNusI
For more awesome features read https://www.hongkiat.com/blog/sublime-text-tips/
To make thing comfortable you can add add the app to dock or put a shortcut on desktop.
If any issues comes up let me know.