It can be used to pre-activate Windows.It’s compatible with all system languages.It’s compatible with Windows 7 SP1 and all system updates.The application itself injects a SLIC (System Licensed Internal Code) into your system before Windows boots this is what fools Windows into thinking it’s genuine. This is the loader application that’s used by millions of people worldwide, well known for passing Microsoft’s WAT (Windows Activation Technologies) and is arguably the safest Windows activation exploit ever created.