You're referring to a review of a KMS (Key Management Service) activator for Windows 8.1 Pro Build 9600!
The KMS activator is designed to activate Windows 8.1 Pro Build 9600 without requiring a retail product key. This allows users to access all the features of Windows 8.1 Pro, including personalized settings, updates, and security patches.
For those who may not know, a KMS activator is a tool used to activate Windows operating systems without using a retail product key. It's commonly used by organizations and businesses to activate multiple copies of Windows.