You can set animated wallpapers of all kinds as your desktop, including GIFs ... including the ability to cap their FPS, change their movement speeds, or modify how objects interact on the ...

Select your favorite picture and make it your Desktop wallpaper. If you recently update ... are different for these scenarios. Read: Cannot change Desktop Background in Windows.

Similarly, if you change the name of the wallpaper file, you have to do the same. Otherwise, you will see a black or blank desktop background next time you re-sign into your user account.