The Release Candidate of Windows 7 is now available for download by the general public.The RC evaluation software will expire in March 2010, with Windows Genuine Advantage kicking in to shut down the PC every 2 hours. A “This copy of Windows is not genuine” message will also be displayed. The same events will happen for users of the Windows 7 beta in July 2009. Microsoft has committed to issuing the final release to manufacturing (RTM) of Windows 7 within three years of Vista’s release, meaning it should arrive by the end of January 2010.
You’ll be required to register before download. Currently, the servers are being hit pretty hard so it may take some time before you can get in to download it.