Microsoft’s Bing ... desktop background or your lock screen, if you really feel like filling your day full of surprise and delight. You still won’t get super-HD (as in, 4K-friendly) wallpapers ...

Use Microsoft’s Bing Wallpaper ... collection of nature imagery. Microsoft doesn’t provide many details about the image itself, including whether the company is providing 4K wallpapers for ...

Now you can set those Bing images as your desktop wallpaper through an official theme, and keep it updated automatically through an RSS feed. Windows 7 users need only to download the theme ...