If you see “ Windows is not activated” or “ Windows activation has expired on…” message, then you will need to activate your Windows 10.Īfter activating your Windows 10, you will be able to change wallpapers of desktop easily. If you notice “ Windows is activated” on the right-hand side of Settings window, then this is not the reason for your problem. You can check activation status besides “ Activation” on the right side of the Settings window. In the Updates & Security window, scroll down on the left side to find “ Activation“.ģ.
