Microsoft Windows 8.1 Pro Pack (Win 8.1 to Win 8.1 Pro Upgrade)
If your PC is running Windows 8.1, you can get Windows 8.1 Pro Pack and enjoy all the features of Windows 8.1 Pro as well as Windows Media Center.
Windows 8.1 gives you the familiar desktop with its taskbar and Start button, plus a beautiful new Start screen that you can customize with your favorite apps, people, and sites so that everything you love is just a tap or click away.
You also get built-in cloud storage for anytime, anywhere access to your photos and files, beautiful full-screen browsing with Internet Explorer 11, plus an exclusive collection of built-in apps like Photos and Mail, with many more apps available from the Windows Store. And thatís only the beginning.
1 GHz processor or faster with support for PAE, NX, and SSE2
1-2 GB RAM / 16-20 GB available hard disk space
1024 ◊ 768 screen resolution
DirectX 9 graphics processor with WDDM driver
To use touch, you need a PC that supports multitouch