lost my apple id and password for mac how to recover with new phone number

raindropsrule Said:

"lost my apple id and password for mac how to recover with new phone number: I have an older Mac and can't remember my id or password. I would like to do a system restore and can't get administrave power."

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For reference...

Reset the Password Using the Login Screen:

You'd go through your Apple ID to perform this. Find out more here: If you Forgot your Mac Login Password - Apple Support. Make sure that caps lock is not enabled when typing it. No Success? Go here: If you can't Reset your Mac Login Password - Apple Support

If you forgot your password, and / or Apple ID:

(Apple ID is generally an eMail address)

https://iforgot.apple.com/password/verify/appleid

 How to:

Get a verification code and sign in with two-factor authentication - Apple Support

For macOS Mojave or earlier:

Change or reset the password of a macOS user account in macOS Mojave or earlier – Apple Support