In this video I am going to show you how to upgrade Windows 8 or Windows RT to the Windows 8.1 (Windows RT 8.1) Preview using the Windows Store.
PLEASE NOTE THAT THIS IS HOW TO INSTALL THE PREVIEW GO TO http://www.youtube.com/watch?v=vJbd4GChhT4
Go to this page to download the preview" http://windows.microsoft.com/en-us/windows-8/download-preview
Windows 8 or Windows RT Device
Processor: 1 gigahertz (GHz) or faster
RAM: 1 gigabyte (GB) (32-bit) or 2 GB (64-bit)
Free hard disk space: 16 GB (32-bit) or 20 GB (64-bit)
Graphics card: MicrosoftDirectX 9 graphics device with WDDM driver
For 64-bit installations of Windows 8.1 Preview, your CPU must also support CMPXCHG16b, PrefetchW and LAHF/SAHF.
To use touch, you need a tablet or a monitor that supports multitouch.
To access the Windows Store and to download and run apps, you need an active Internet connection, a screen resolution of at least 1024 x 768, and a Microsoft account.
Internet access (ISP fees might apply).