As such, after the OEM certificate and OEM product key were extracted, it was discovered that Windows 7 uses the same digitally signed OEM certificate, which has an. Windows 7 and Windows Server 2008 R2 use SLP version 2.1, which is backwards-compatible with version 2.0, the version Windows Vista and Windows Server 2008 use. The SLP is a procedure used by Microsoft to preactivate the Windows operating system for mass distribution by major OEMs. The boot.wim file was then used to retrieve the OEM-SLP product key and OEM certificate for Windows 7 Ultimate. The story begins with a Windows 7 Ultimate OEM DVD ISO from Lenovo leaking to a Chinese forum. It won't be long before easy-to-use Windows 7 activation toolkits start appearing in the wild. For Windows 7 Professional, Windows 7 Home Premium, Windows 7 Home Basic, and Windows 7 Starter, the OEM-System-Locked Preinstallation (SLP) keys haven't been leaked, so they cannot be OEM-activated yet. This one won't be so easy.īoth 32-bit and 64-bit Windows 7 Ultimate can now easily be activated, according to My Digital Life. Previous cracks weren't as solid: while they may be working now, they can easily be disabled by Microsoft. The pirate milestone, reached almost three months before Windows 7 is set to hit General Availability on October 22, 2009, was achieved via OEM instant offline activation that passes Windows Genuine Advantage validation and keeps the operating system permanently activated.

Windows 7 ultimate activator