How to Change Admin Name on Mac?

How To Change Your Mac Username & Home Folder Name

Open System Preferences.
Users & Groups.
Click unlock and enter your password.
Now Controlclick or rightclick the user that you want to rename.
Choose Advanced.
Change the name in the full name field.
Restart the computer for the changes to take effect.

How do I Change the Administrator on my Mac?

Choose Apple menu > System Preferences.
Click Users & Groups.
Click the lock icon to unlock it, then enter an administrator name and password.
Select a standard user or managed user in the list of users, then select “Allow user to administer this computer.”

How do I Delete an Administrator Name on my Mac?

Locate Users & Groups on the bottom left.
Select the padlock icon.
Enter your password.
Select the admin user on the left and then select the minus icon near the bottom.
Choose an option from the list and then select Delete User.