Microsoft finally compiled the public Windows 8 Consumer Preview build, 8250 (Beta version). The public release of the following build its scheduled for later today 29th February. Microsoft announced that they would unveil the Consumer preview version of Windows 8 today  during the Mobile World conference in Barcelona, Spain. The estimated time when Windows 8 consumer preview would be available for download is 3:00 PM (Barcelona local time ). 

Windows 8 Consumer preview - BETA