Projects compiled in Pro mode do not display the "Made with GameMaker Lite" splash screen.
What is your old game project using (.gmk, .gm81, etc.)? license key for game maker 81 pro link
While it has a different workflow, Godot is entirely free, lightweight, open-source, and incredibly powerful for 2D game design. Moving Your Legacy Projects Forward Projects compiled in Pro mode do not display
: It is no longer possible to buy new licenses for Game Maker 8.1 Pro. The current version of GameMaker is free for non-commercial use on many platforms. Key Recovery Godot is entirely free