Cracked Windows 7 RTM Ultimate Activated with OEM SLP Master Product Key

From Softpedia -

A crack for Windows 7 RTM Ultimate (Build 6.1.7600.16385) capable of activating the high-end SKU indefinitely is now available. Reports from various forums and websites indicate the crack can bypass Windows genuine Advantage validation with no problems whatsoever.

A Windows 7 Ultimate OEM DVD ISO from Lenovo was reportedly used. The ISO allowed hackers to grab the OEM-SLP (System-Locked Preinstallation) product key as well as the OEM certificate for Windows 7 RTM Ultimate via boot.wim.