Installation:

Use Serial Number:
NTTX3-RV7VB-T7X7F-WQYYY-9Y92F

Windows 8.1 Preview (x64) - DVD (English)
Release Date: 6/26/2013|Details
 File: en_windows_8.1_preview_x64_dvd_2358761.iso
 CRC-32: 5f3f945d
 MD5: a46318a1234a1f454e1518a2fd31651d
 SHA-1: d8076e029292fbc933792d215793045031255ff6


Windows 8.1 Preview (x86) - DVD (English)
Release Date: 6/26/2013
 File: en_windows_8.1_preview_x86_dvd_2358833.iso
 CRC-32: 0d838324
 MD5: 23862c4495579ba48573fb4088677cbb
 SHA-1: 447ccd24eb3dc6cfd9a42e62a5f6418b578e3cb

 If you download the ISO, you'll need to enter this product key: NTTX3-RV7VB-T7X7F-WQYYY-9Y92F. 


 Windows 8.1 Preview works great on the same hardware that powers Windows 8:
*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

Proof Screenshot