How to Turn Off Password Login on a Mac

Disabling Automatic Login

1. 
   Click the Apple icon. It's the Apple logo at the top left corner of the menu bar.
2. 
   Click System Preferences.
3. 
   Click the "Users & Groups" icon. It looks like a person's silhouette.
4. 
   Click the padlock icon to login as administrator. It's at the bottom left corner of the window.

   1. Type in your password.
   2. Click Unlock or press ↵ Enter.
5. 
   Click Login Options. It's at the bottom of the left pane.
6. 
   Click the "Automatic login" drop-down menu.
7. 
   Click on a user account.
8. 
   Type in the password.
9. 
   Press ↵ Enter. This user account is now set up to login automatically without having to enter a password.

   1. You might be asked to log in manually after logging out of the account, locking your screen, or switching from another user account.