You can easily change your Windows desktop wallpaper to any photo, picture, or image file.

Click [Tool] -> [Desktop Wallpaper].

Center: Your selected desktop wallpaper is displayed centered on your screen and at its original full resolution.

Tile: Starting from the upper left of your screen, the picture or photo is displayed at its original full resolution in a repeating pattern to completely fill the screen.

Stretch: Your selected photo or picture is stretched to fill the screen if it is smaller than your screen or compressed to fill the screen if larger.

Delete: Delete the currently set wallpaper.