There are tutorials that have you build a game to learn the basics and syntax and stuff. Oh, right, if you actually do use GameMaker avoid that drag&drop layout at all costs lol it’s not “easier”

But if you have it all written out already, now you just need to read the manual on whatever development platform you chose and figure out how to make the computer do what you have written. Like, if you want the title screen to have scrolling clouds and a bouncing logo for example, you’ll need to find out how to change the logo sprite’s Y coordinate and the clouds’ X coordinate using the documentation.

Tldr do one of those “my first game” tutorials on whatever platform you chose to get the feel of it.