1. From the home screen, tap Apps.
   
2. Swipe to, then tap Settings.
   
3. Scroll to "Personal", then tap Lock screen.
   
4. Tap Screen lock.
   
5. Tap Password.
   
6. Enter a password, then tap Continue.
   
7. Re-enter your password, then tap OK.
   
8. From the lock screen, enter your password, then tap Done.
   
9. From the home screen, tap Apps.
   
10. Swipe to, then tap Settings.
    
11. Scroll to "Personal", then tap Lock screen.
    
12. To change your screen lock, tap Screen lock
    
13. Enter your current password, then tap Continue.
    
14. Tap the desired option to set a new lock screen.