Windows only: If you're a fan of the high quality photographs regularly rotating on the Bing homepage, free application ZapBing brings a rotating lineup of those images to your desktop wallpaper.

They offer over 1 million+ high-quality stock images and videos. Like others, you can use the photos as a desktop background or create a theme out of it, and even use it for business. Download ...

A value of 100 indicates a very high-quality wallpaper with no compression. Set the value to 100. Click OK and exit. Restart your computer. Now, set the image you would like to keep as wallpaper.

Windows 10 by default compresses JPEG images you set as desktop wallpapers ... if you've got a high-quality 4K display that'll bring out all the detail in your original wallpaper.