Why Can’t I Change My Lock Screen Wallpaper Windows 8?

Actually Windows 8 users can change lock screen background or user account picture using PC Settings page which can be accessed from new Charms Bar. … Then click on Settings charm and there you can access PC Settings by clicking on “Change PC settings” link given at the bottom.

How do I change my sign in options on Windows 8?

In Windows 8, go to the “Users” section in PC Settings and you’re now ready to tweak your sign-in options. In Windows 8.1, go to Accounts and then to Sign-in options.