The CyAPI GetDriverVer() has been deprecated and is no longer been updated. Kindly, use the attached code/application to obtain the driver version. This code uses the Win APIs to obtain the details of the driver. Also, note that, when multiple devices are bound to the CYUSB3 driver, only the first instance is considered by this application. The GetDriverVersion() function parameters have to be modified to suit the VID/PID of the device being connected.