To install Windows 8.1 Preview from an ISO file, you must first convert the ISO file into installation media stored on a DVD or a USB flash drive. If you're using Windows 8, follow these steps to install Windows 8.1 Preview from an ISO f...
http://www.ebrahma.com/2013/10/how-to-install-windows-8-1-preview-from-an-iso-file/Labels: burn, burn-ios, configure, dowwnload-window-8, dvd, image, Install-woindow-8, installation-window8, IOS, microsoft