Each of these 4K wallpapers (that's 3840x2160, pixel fans) has been set to a desktop-friendly 16:9 aspect ratio, and with minimal compression so they look super sharp on your monitor.

There are multiple ways to make a custom wallpaper for Windows ... resolutions are 1920x1080 (Full HD), 2560x1440 (Quad HD), and 3840x2160 (4K). Make sure to check your devices' resolution ...