Where does Windows 10 save background images?īy default, Windows 10 stores your wallpaper images in the “C:\Windows\Web” directory. Now, you have to select a time interval for automatically changing desktop background, and. Click the button 'Browse' under 'Choose albums for slideshow', and then select a picture folder that you want to see. Under Background, select Slideshow from the drop-down menu to enable desktop background slideshow feature.