Microsoft has released another 4K theme from the store. It's called Earth from Above Premium and is aimed at Windows 10 users.
Earth from Above Premium theme features 14 high quality (4K) images to decorate your desktop. It is available in * .deskthemepack format and can be installed with one click.
We read in its description:
Take a distant view of planet Earth and continents, weather and world shape, in this set of 14 images, free for Windows 10.
You can get the themepack here from Microsoft Store from here.