>>96331623 (OP)
Sounds like you're just dumb. That's okay, though. Lots of people are dumb, matter of fact, most people are.
Assuming you're the dumbest retard ever, all you need to do is make a character, and understand who they are.
Okay?
You make a character who is an angry fighter man, you should be angry, and fight. As you read the book, when you get an option that lets you be angrier and fight harder, pick that option. If you're having trouble even making a character, use an app on the internet that automates a lot of the process for you.
Type in "[RPG HERE] character creator"
If you can go through the character creation process, clicking on stuff, reading stuff, you will eventually understand what your character can and can't do.
As for as being a GM and actually running a game? Don't even bother thinking about that for now.
What game are you trying to learn?