I need help withh thiss girll what should i do?

Well i likee her alot and i want her to be my girlfriend and likee she likes me. But idk how to likee.. as people would say in my school.. hookup. As in kiss, like if we go to the moviess likee how do i make a move and go in . Should i likee makeout with her and how long should it be for. Im really nervouss now.