He had downloaded it from the official site. He had scanned it with three different antivirus suites. It was clean. It was safe. It was supposed to be just a driver. But the revision number nagged at him. Rev 0010. The public release was only at 0007.
If you already own the headset, the safest route is to contact HyperX support directly and request the official Rev 0010 updater link. hyperx cloud ii firmware updater rev 0010 .exe file
: You may need to manually uninstall and then reinstall the driver via Device Manager if audio issues (like lost 7.1 sound) occur after the update. He had downloaded it from the official site
This is rare. Perform a “factory reset” of the dongle: hyperx cloud ii firmware updater rev 0010 .exe file