If you want to delete a guest account on your laptop, follow these steps:

  1. Open the laptop’s main menu and select “System Preferences.”
  2. Click the “Users & Groups” icon in the System Preferences window.
  3. Click the “Guest” tab in the Users & Groups window.
  4. Select the user you want to delete from the list of users and click “Delete.”
  5. Confirm that you want to delete this user by clicking “Yes.” ..