how to put on wallpaper on computer
1 Find the location of the picture you want to use and click OK. 2  Put a check mark in the picture you want to set as the Windows background. 3  Choose from Center, Tile, Fit, Fill or Stretch for the Picture position option, to select how the picture is displayed as the background on the desktop.indows Vista, 7, and 8. 1  Right-click any open part of the desktop screen. 2  Click Personalize. 3  Click Desktop Background. 4  Click Browse. 5  Find the location of the picture you want to use and click OK. 6  Put a check mark in the picture you want to set as the Windows background.