No I would say he's new to game maker, typically when uploading to itch.io you have game maker construct .zip file which itch.io can uninstall and install I would say he's new to the engine please be understanding. 😎
Viewing post in Bowl Of Linguini jam comments
live and learn theoretically tho .exe dose work it just means you have to manually uninstall it from your system bear in mind on other platforms it might work differently I just know that's the most efficient way to do it on itch.io don't feel bad I made the same mistake when I first put a game on itch.io your game is really good though