Restrict Users from Changing Desktop Wallpaper in Windows 10.
If you are not able to change the desktop background (image) even when you go through the personalize procedure then there might be configurations on User Configuration - Administrative Templates.
This tutorial will apply for computers, laptops, desktops, and tablets running the Windows 10, Windows 8/8.1, Windows 7 operating systems. Works for all major computer manufactures (Dell, HP, Acer, Asus, Toshiba, Lenovo, Samsung).
