WHQL is the abbreviation of WindowsHardwareQualityLabs, which means "Windows Operating System Hardware Quality Laboratory". Its Microsoft Logo Certification Program (MicrosoftLogoProgram) makes all kinds of software, hardware, systems and XML services compatible with the Windows operating system, and ensures the stability of products on the Windows operating system. This authentication scheme provides a reliable authentication model for manufacturers and end consumers to ensure that their systems or peripherals can run smoothly with the system.