How can you change your computer password on an IMac if you have forgotten the original password
How can you change a computer password on an IMac if you don’t know the original password
How can you change a computer password on an IMac if you don’t know the original password
Welcome!
You can change the password that you use to log in to your Mac, or reset the password if you don't remember it.
Jack
See the following Apple Support article for information on a forgotten Mac login password: https://support.apple.com/en-us/HT202860
How can you change your computer password on an IMac if you have forgotten the original password