If you are into motorcycles, the Vintage Motorcycles theme is for you. The collection is available for download from the Microsoft Store, and it includes 15 high-definition (4K) images of classic motorbikes in different colors and designs.
The theme is available for free to set as background images on devices running Windows 10.
If the wallpapers rotate too often, after setting up the theme on Settings > Personalization > Background, use the Change picture every drop-down menu to adjust the image rotation frequency. You can find more great themes in the Themes and Wallpapers for Windows 10 section.
To install the National Geographic Underwater theme, use the download link below, click the Get button in the Microsoft Store, click the Apply button, and then select the wallpaper collection from the “Themes” settings page to apply it.
Vintage Motorcycles theme | Download