Now, thanks to Reddit user _R1zz_, you can download the Google Pixel "living universe" wallpapers in 4K for your desktop. They look great!

Meet the Atmoph Window. This digital “window” can go anywhere on your walls, and it’s designed to stream 4K-shot videos and sound.

Today I stumbled upon Microsoft’s 4K rendering of the Windows XP wallpaper Microsoft Design site has a ton of attractive wallpapers, retro and otherwise.