I agree with a lot of people on here… You need to watch, read & listen to everything that you can get access too.
I teach in the technical field (not computers), and what I tell my students is “you just have to start and try. You won’t ever learn how to do it until you attempt to do it for yourself.” – or something like that- because just you learn just as much -if not more- from your mistakes as getting it right the first time. If that’s buying an incorrect component, installing something wrongly, or whatever else you do that doesn’t work out the best. So, don’t get to overwhelmed and just have fun with it.