For the tinkerers out there: The official HAVIT driver is closed-source, but the open-source community has taken notice. Applications like have experimental support for some HAVIT keyboards (specifically the HV-KB390L series). However, OpenRGB does not support macros or polling rate changes. For full functionality, you must use the havit keyboard driver exclusive .
Look at the sticker on the underside of your keyboard. It will typically feature a code starting with "HV-" or "KB" (e.g., HV-KB395L or KB858L). havit keyboard driver exclusive
For competitive gamers, response time is everything. The exclusive driver often includes settings to adjust the keyboard's polling rate (how often it reports inputs to your PC). Setting your board to a higher polling rate ensures near-zero latency during intense matches. Troubleshooting Common Driver Issues For the tinkerers out there: The official HAVIT
If you can provide the specific model number (e.g., HV-KB...), I can help you locate the exact download link. For full functionality, you must use the havit