(also known as KJ Activator) is an unauthorized software tool used to bypass the activation process for Windows 7, Windows 8, and Microsoft Office. Using this tool is considered software piracy , as it allows users to unlock full operating system features without purchasing a legitimate license from Microsoft . Risks and Safety Warnings
If you need to activate Windows 7, it is safer to use the built-in utilities provided by Microsoft: : Kj Starter Windows 7 Activator