On this website, there are a huge number of wallpaper with Windows 10 theme. I recommend you to use this black and red 3D polygons as your Windows 10 background. This wallpaper is one of the collection of 10 4K Black Wallpapers for Windows 10. So, it has 3840×2160 pixels resolution which suitable for large widescreen monitors.
Finally, feel free to collect all 10 wallpapers for your Windows 10 laptop by visiting our gallery below: