zitat wikipedia:Windows Genuine Advantage checks the following components: * Computer make and model * BIOS checksum. * MAC address. * A unique number assigned to your computer by the tools (Globally Unique Identifier or GUID) * Hard drive serial number. * Region and language settings of the operating system. * Operating system version. * PC BIOS information (make, version, date). * PC manufacturer. * User locale setting. * Validation and installation results. * Windows or Office product key. * Windows XP product ID.