Windows 7 Ultimate OEM DVD ISO from Lenovo been leaked and posted on Chinese forum. The ISO was quickly grabbed to retrieve boot.wim, which was then used to retrieve the OEM-SLP product key and OEM certificate for Windows 7 Ultimate. Resulting in, Windows 7 Ultimate has been cracked, and can be permanently activated with OEM style instant offline activation which will pass Windows Genuine Advantage (WGA) validation, before even any Windows 7 is officially released according to Windows 7 release schedule.