A Windows 7 theme with Mario Kart 7 wallpapers can now be downloaded for free below:
READ The Mario Kart wallpapers are small, we suggest to center them on your desktop and choose a white background color, that’s how it’s supposed to be set up. If you don’t know how to change the color, read our tutorial how to change desktop color in Windows 7
Download Windows 7 Theme
Here’s the free download. Make sure to double-click on the themepack to install it. If you’re having trouble, your Themes service might be disabled or broken.