To change the image that is displayed in the background, click Background. Choose a picture or slideshow, or click Browse to select one of your pictures or slideshows. To change the way the picture is displayed on the background, select Fit, Stretch, Tile, Center, or Span from the drop-down menu. Changes take effect immediately.

In Windows, search for and open Background image settings. You can also right-click an open area of the desktop and then select Personalize. To change the image or color that displays in the background, select Picture, Solid color, or Slideshow from the drop-down menu.