Microsoft recently released a new Windows 10 wallpaper package, titled Earth day, which includes a collection of ten different 4K Earth Day themes.
The Earth Day package is offered free to Windows 10 users, with ten high-resolution 4K themed photos, specifically for the 2019 Earth Day celebration, which was April 22.
The theme description states: “On Earth Day 2019, marvel at the fragile beauty of endangered and endangered species and habitats around the world - in stunning 4K resolution, a free exclusive 10-image set of Windows 10. Themes intended for use only as desktop wallpapers. "
The collection can be installed from the Microsoft Store just like any other application. To download go here.
Once downloaded and installed, the theme can be activated on any Windows 10 device by going to Settings> Personalization> Themes. Just select the theme Earth Day and the desktop wallpaper should change automatically.
Like all other wallpaper-based themes, you can switch from one background to another by right-clicking on the desktop and choosing to go to the next or previous image.
If you want to install this wallpaper pack / theme, you must be running the updated one version of Windows 10 April 2018 (version 1803) or October 2018 (version 1809).