You can have its theme on Windows 10, too. Support ended a long time ago, and it’s a security nightmare. Missing Windows XP? Of course, you shouldn’t still be using the operating system for your day-to-day computing. You can use all 17 images at once right-click on your desktop and choose Next Desktop Background to cycle through the options. To use a 3D Theme, put the files in %windir%/Resources/Themes. The images are all abstract, though several of them draw inspiration from spheres and cubes.