Windows 7 Professional (x64) - DVD (English) If you are experiencing installation issues related to performing clean installs of the integrated SP1 version of this product, please review KB Article 2534111 for more information. Released: 8/6/2009 SHA1: 50127304441A793EE51B3F501289F6599A559E9F File name: en_windows_7_professional_x64_dvd_x15-65805.iso