If you had upgraded yourself to Windows 8.1 recently then you must know that Windows 8.1 allows you to have slideshow on your lockscreen, you can assign photos or a folder having images which will be shown as slideshow when your computer is locked.
To enable this :-
- Press Windows Key + C to bring up your charm menu and then click on Setting –> Change PC Settings,
- Now navigate to your PC & Devices –> Lock screen option,
- Here you can enable Slideshow, select image or folder which have image and some other options,
- Once you had enabled it close it and try it by locking your Windows 8.1 by pressing Windows Key + L.
