Microsoft has launched a complete preview of forthcoming Windows 8 operating system. Which should go on sale in the autumn, 3 years after Windows 7.
Windows 8 is designed to bring Windows into the touchscreen, smartphone era, and It adopts the interface of Windows Phone 7 (Microsoft’s mobile operating system,).
Tens of thousands of improvements have been made to what Microsoft calls the most important redesign of its interface since Windows 95.
you can download the release preview of Windows 8, a system which Microsoft says is its most tested operating system ever.