"Animal World (Panoramic)" (Animals Panoramic) is Microsoft's first dedicated theme released for Windows 8.1 and Windows RT 8.1. After installing this theme, the system's window color will automatically adjust according to the wallpaper color.
This theme includes 13 desktop wallpapers with a resolution of 3840x1200, all in panoramic view, suitable for wide-screen and multi-screen users. Dual-screen monitors can achieve perfect seamless visual effects.
Official Download: http://download.microsoft.com/download/C/0/1/C019CDBC-7CD9-4008-BE5D-1C5F5DCD8DAE/PanoramicAnimals.deskthemepack
(Note: Official themes previously released by Microsoft for Windows 7 can also be used in Windows 8 and 8.1, but themes specifically designed for Windows 8 and 8.1 cannot be used on Windows 7. However, most themes released by Microsoft are universal for Windows 7/Windows 8/8.1.)
Wallpaper Preview: