Windows HCK and Windows HLK in WHQL certification

• Windows HCK
• Windows HLK
• WHQL certification

For a driver to obtain a digital signature, it needs to undergo WHQL certification, requiring Windows HCK or Windows HLK testing frameworks to perform Windows system compatibility testing. So what is Windows HCK? What is Windows HLK? What are the differences between the two? This article will provide an in-depth explanation.