Reset password apple Id
Why I can't reset my apple ID password
Question marked as
What do you mean by "reset"?
Forgotten password:
If you forgot your Apple ID password --> https://support.apple.com/HT201487
Change a known password:
Change your Apple ID password --> https://support.apple.com/HT201355
What to do after you change your Apple ID or password --> https://support.apple.com/HT204071
If you "can't do" something you have to tell us what you are doing and how it fails to do what you want it to do, plus error messages you see.