If you have been following all the good press around Windows 8 and are waiting to try it on your own computer, here’s the good news. The consumer preview version of Windows 8 (just a fancy name for beta software) is now available for download and it is very likely that your existing system specs are good enough to run Windows 8.
The System Requirements for Windows 8
Should you download Windows 8 Setup or the ISO Image?
Will my software programs run inside Windows 8?
What route should you take?
Source : Digital Inspiration - Technology Blog