How do I reinstall my screen lock?

[AC Question]

my screen lock is gone. how do I reinstall

Some how my screen lock in my security file is not therr anymore. How do I reinstall it?

 

[B. Diddy]

Re: my screen lock is gone. how do I reinstall

Welcome to Android Central! What do you mean it's not in the security file? Do you mean you don't see the option in the Settings>Security ​menu?