This message may come up:
This is the Trial version of GameMaker for Mac - you have x hours, x minutes of accumulated use before you must buy GameMaker.
Select BUY to be taken to the website to complete your purchase. If you have a license key already then select the ENTER button"
This is the full version of GameMaker for Mac and the time trial no longer applies, but it still appears, so please enter your license key.
GameMaker for Mac Lite does NOT have a time trial so please make sure you download the correct version.