Starting on February 10, 2016, HLK build 10586 is required in order to satisfy compatibility requirements. This kit enables compatibility testing of hardware for the Windows 10 and Windows Server 2016 operating systems.
In order to successfully test for Windows 10 compatibility, you must have the latest version of the Windows Hardware Compatibility Program Playlist. The latest playlist is located here:
In order to certify your hardware for previously-released operating system versions, you must continue to use version 2.1 of the Windows Hardware Certification Kit (HCK). HCK 2.1 must be used to certify hardware for following operating systems: