http://blogs.technet.com/b/chitpro-en/archive/2009/01/09/windows-7-beta.aspxThe Beta of Windows 7 and Windows Server 2008 R2 have been released for TechNet and MSDN subscribers. It is available from here . For non-MSDN and TechNet subscribers, the beta of Windows 7 will be available on Friday 9 January 2009 from here . Windowsen-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)