Install the Kvaser Windows Driver

1. Download Kvaser Drivers for Windows and run the installer.
2. Connect the device while it is running the intended Kvaser FD or Kvaser Leaf firmware.
3. In Windows Device Manager, check CAN Hardware (Kvaser) and match the device name to the active firmware mode.
4. In CanKing or your CANlib application, select the corresponding device and channel.

Illustrated Windows guide (Chinese)