How To Set A Password For Windows Phone 8.1
Windows Phone 8.1 by default doesn’t have password lock enabled. What this means is whenever the screen times out, it doesn’t need any password to get back in.
Here is how to set it :
Go to Settings > System and choose “Lock Screen”.
Turn the slider to “On” for “Password”. Also, tap on “Require a password after” to set time interval for...