Changing Your Mac Username and Password

Changing your Mac username and password is important to enhance the security of your device. Follow these steps to update your credentials:

1. Click on the Apple logo on the top left of your screen and select 'System Preferences'.
2. Choose 'Users & Groups' and click the lock icon at the bottom left to make changes.
3. Click on your username and then 'Change Password' or 'Advanced Options' to update your username.
4. Enter your current password and then create a new password. You may also change your username in the 'Full Name' field.
5. Click 'Change Password' or 'Ok' to save your new credentials.
6. Remember to update your keychain if prompted to ensure your new password is reflected in all saved passwords.

By following these steps, you can successfully change your Mac username and password to bolster your device's security.