Can I change my password on 2023 mini?

If you want to change your login password for you Mac go to the System ➙ Login Password settings and and click on Change:

If it's some other password you'll have to be more definitive in your request.

If you forgot your Mac login password

If you can’t remember the password to log in to your Mac user account, or the password doesn’t work, follow these steps

The above if for the Computer and not for your Apple ID account

To change your Apple ID account password

Change your Apple Account password