There is no need to study music theory if you are not a major. Just learn the staff well, and the key is to understand it. Piano had better start in primary school. No matter how big it is, it will be difficult. Lay a good foundation. Only when you have a good foundation can you learn well. Practice hand shape and strength first. Don't dislike too simple etudes. Are critical. There is no need to practice some simple tutorials. Enlighten them first. Starting with Cherny's 599. This is necessary for everyone who learns the piano. Hanon's fingering practice is also necessary. These two books are necessary. The only way to learn piano. Don't worry about the later etudes. It takes a lot of time to finish these two books. I have been learning piano for some time. Prepare for the art test. If you have any questions, please feel free to ask.