What happens next?

How to reset a lost admin password on mac os x
Try entering a wrong password three times.
If you enabled this security feature when you first set up your account, you'll be able to use your apple id to reset your password. This only works if this feature is enabled to begin with.
If you have access to your mac, you can turn this setting on by clicking the apple menu and selecting " system preferences. " click the " users & groups " option, then select your account.