The refers to deploying the HLK client software onto a test machine so it can communicate with the HLK Controller, receive test jobs, run them, and return results.
To clean residual registry keys:
The HLK client machine must be a clean installation of the supported Windows OS (no prior driver test remnants, no HLK components). It should not be the same machine as the Controller. hlk client install
By following this "hlk client install" workflow, you’ll have a stable environment ready for the rigorous hardware compatibility tests required for the Windows Hardware Compatibility Program. The refers to deploying the HLK client software