If you are an adult, beginners are advised to use Bayer's basic piano course, 1' s basic piano course and Hanon's piano fingering.
Hanon mainly practices fingering, fingering is essential, but you don't have to practice all of them. You can choose a few big ones or practice them if necessary. You have to practice this first every time you practice the piano.
After learning the basic piano course of Bayer, I began to practice Cherny 599, which is the simplest one. After practice, you can contact Cherny 849 (fluent etude) and Cherny 299 (quick etude), which is relatively difficult. Then there is "Cherny 740", which is relatively difficult and can be ignored by novices.
There are four basic piano courses, which can be practiced in turn.