You can change nearly any desktop icon on both Mac and PC. To change desktop icons on a Mac, open the "Get Info" menu and paste in the picture you want to use. On a PC you'll need to make a .ICO file, ...
You can't go wrong trying the Custom Cursor app because it's 100% free with no once-off costs or subscriptions required. There's also no registration, so you won't have to share any of your personal ...