I've been playing Piano for ~28 years, almost went professional (Jazz) but ended up doing engineering. My advice would be to find a teacher, if you know nothing about it you need a teacher that corrects you so that you don't develop bad habits. Once you're no longer a novice, you can start learning other things on your own. When looking for a teacher, I wouldn't try to find "the best" or "most virtuoso" around, but w…
Taking a single course in college that got me a little one-on-one attention (just one in a class of ten or so) improved my technique so significantly that I can compare recordings of myself from before and after that class and it's night and day. I don't think I'd have figured out what I was doing wrong without that attention, but they were able to hear it instantly and recommend solutions.
And that's with a solid decade plus of experience in choirs prior to taking that class, it's not like I was a true novice. It's just really not as easy or obvious as it looks.