Click on the Start Button to open the Start Menu. Select Control Panel, from the Control Panel list click on Personalization. A new screen will appear and you will need to click on Change desktop background.
Click the picture or color that you want to use for your desktop background.
Please note that if the picture you want to use isn't in the list of desktop background pictures, click Browse to search for the picture on your computer. When you find the picture that you want, double-click on the picture and it will become your desktop background.
You can make any picture stored on your computer or any picture you are currently viewing your desktop background, right-click the picture, and then click Set as Desktop Background.
You can change picture position by clicking on the arrow and choosing whether to crop the picture to fill the screen, fit the picture to the screen, stretch the picture to fit the screen, tile the picture, or center the picture on the screen, and then click Save changes.
You can choose to have a fitted or centered picture as your desktop background. Please note that you can also frame your picture with a color background. Under Picture position, click Fit or Center. Click Change background color, click a color, and then click OK.