Quick Tip On Windows 8 No 1 – How to Set Desktop Background in Windows 8? Ok Lets see How we can do that …?
In the Keyboard there is Short cut hit Windows + I keys
Then there will be a side bar will be visible and you need to click Personalisation
Ok after that another window will pop up like below to setup the Desktop Background in Windows 8
Click Desktop Background at the bottom
Select your image and click save changes and this will setup the desktop background in Windows 8