One of the day all Geeks and Windows Fans were waiting from a while. Microsoft has released Windows 8 Beta today under the name Windows 8 Consumer Preview. After the first Technical preview in September 2011, within 5 months , 5000 developers worked over it and came up with more than 1000 bug fixes.
Windows 8 Consumer Preview, build 8250 is available for download at following link:
The Consumer Preview of Windows 8 will expire on January 15th, 2013.
And if you are still skeptic if you should check out Windows 8, See Windows 8 in action.