It is true that there are many theories and methods that make people confused when they begin to learn piano, you can still learn how to play piano on your own by playing to your ears rather than trying to figure out what is there on the printed piece of paper containing all the notes and chords. But as is the case with any other task in life, if you take it step by step instead of rushing things up, the task becomes easy and fun to do as it gets broken into little milestones which bring satisfaction when achieved. If you can get yourself easy piano lessons that guide you step by step about the notes and the chords, it will become a cakewalk for you. However, you must remember that you will not become a piano player overnight; so have some patience and stay focused until you become one.
Any good piano lesson will start with the very basics like the parts of the piano and how it works. It is fundamental and you must not skip it if you want to play piano flawlessly because it is the foundation of what you will learn eventually. The piano is what you are hoping to master and it is better if you learn everything about it. There are many good courses on the internet that teach you to play easy piano and you really feel comfortable as the pace of the programs has been designed keeping mind beginners like you. These courses tell you how to remain comfortable when playing piano, so that learning becomes fun and not a burden. The main advantage with these online courses is that you can choose to learn when you are free and not the other way round, which is what is troublesome for most people.