What are the ways to move to the U.S.?

Hello I am now seriously considering moving to the United States. I'm a student, and I'm thinking about a possible legitimate and feasible way to move, I'm learning English and trying to take the IELTS exam, but I have no idea what the next step is, I'm not working or studying, I'd like to study and work there I would like to know all the possibilities, see what I can plan and work on.

Location now: Africa