My friend,
Yamahas' america homepage is useless to get the driver

,so you do this:
go to Yamahas' UK page (Google it) and there choose driver downloads
under that ,choose "PC hardware" and there you have two drivers WF1000XG and WF192XG
Waveforce XG192driver should do the trick

for the chip you have as it have worked fine for me.
Best regards