Installing this driver incorrectly is the #1 cause of "No Hardware Found" errors. Follow this exact sequence:
A: Yes, but only via the WDM driver. In OBS, add a new "Audio Input Capture" device and select "Grass Valley Audio Input (WDM)." You cannot use ASIO directly in OBS without a third-party plugin. gv audio driver
Solving the Mystery of the GV Audio Driver: A Quick Guide to Crystal Clear Sound Installing this driver incorrectly is the #1 cause