Creating a 3D desktop design for Windows 10/8.1/7 in 2020 is a great way to customize your computer and make it look unique. To get started, you will need to download a 3D wallpaper or image from the internet. Once you have the image, you can use a 3D wallpaper editor to customize the image to your liking. You can add text, shapes, and other elements to the image to make it look more interesting. Once you are happy with the design, you can save it as a wallpaper and set it as your desktop background. You can also use a 3D wallpaper changer to switch between different 3D wallpapers. With a few simple steps, you can create a stunning 3D desktop design for your Windows 10/8.1/7 computer.