I want to make a fnf game with a health bar and all that. How to copy sprites from other characters? How to insert beeps, boops an others? I have sooo many questions.
GDevelop 5 [GDevelop wiki] 
I recommend you start here. Inside you will find all the information and tutorials to start using GDevelop
Thanks, @Salvatore ! Oh and see my next topic ! Also called: How to make a working ‘new block’ button!