Download Windows 8 Consumer Preview
Just in case you have missed the news about Windows 8 Customer Preview, it's the time to fetch a copy and try it out! This download will allow you to check if your computer can run Windows 8 and gives you a compatibility report plus other setup options.
Microsoft claims that this one is "reimagined and reinvented from a solid core of Windows 7 speed and reliability. It's an all-new touch interface. It's a new Windows for new devices." Also, note that this preview is pre-release software that may not function as expected and that Microsoft makes no warranties of the advertised functions.
Download Windows 8 Consumer Preview from here - http://windows.microsoft.com/en-GB/windows-8/download