: It tricks the Windows activation engine into believing the computer is an OEM (Original Equipment Manufacturer) machine (like Dell or HP) that comes with a pre-activated license.
When it was released, v1.7.9 was considered a major update in the piracy community because it improved compatibility with various system setups:
: Designed for simplicity, typically requiring the user to run the executable as an administrator and click "Install". Custom OEM Information
1.7.9 (Part of a series of updates by the developer "Daz").
For users facing activation issues, there are more legitimate solutions:
: Released as part of a series of updates to counter Microsoft's anti-piracy patches (such as KB971033).
It offered a "set and forget" mode for automated deployments. Is it Safe to Use? (The Risks)