code: def set_win_wallpaper(img):
      
      # There's a different command depending on the architecture
      # of Windows. We check the PROGRAMFILES envar since using
      # platform is unreliable.
      if "x86" in os.environ["PROGRAMFILES"]:
          ctypes.windll.user32.SystemParametersInfoW(20, 0, img, 3)
      else:
          ctypes.windll.user32.SystemParametersInfoA(20, 0, img, 3)
docs: Set the wallpaper on Windows.