Microsoft celebrates 50th anniversary with 8 themed wallpapers in light and dark modes. Choose from one of four themes: Microsoft Mahjong, Cascading Solitaire, Yellow tulips, and Windows logo.

Choose from light or dark mode versions of Bloom wallpaper ... try animated wallpapers or explore 4K options and iconic ...

The latter is equipped with a new version of the standard Windows 11 Bloom wallpaper. There is also a dark variant, which is not included with the Windows 365 Link. Here they are in high resolution.

The feature has been available since the release of macOS Mojave in 2018, so just as you can turn on dark mode in Settings menu of Windows 10 and Windows 11, you can do the same in System Settings ...