How-To: Enable, Change or Disable Password Security.

1. Swipe the Start screen to the left.
2. Select "Settings".
3. Tap "lock + wallpaper".
4. Slide the "Password slider" to enable password security.
5. Type in the desired password.
6. Tap the second field and confirm your password.
7. Press "Done".

If you wish to change your password follow steps 1 through 3 and continue as follows:

4. Press the "Change password" button.
5. Enter the current password in the first field.
6. Tap the "New password" field and type in the new password. Confirm the new password in the appropriate field.
7. Press "Done".

If you wish to disable password security follow steps 1 through 3 and continue as follows:

4. Tap the password slider to disable password security and type in your current password for confirmation.
ur current password for confirmation.