In most cases with Windows 7 or 10 manually installing drivers is NOT needed. This driver is for the NCE USB interface board only. Do not attempt a manual driver installation without calling NCE first. The USB board is plug and play right out of the package. Remove ALL the jumpers! As long as your PC is connected to the internet, Windows will install the driver automatically. Then check in Windows Device Manager to verify it shows up under Ports. Windows 10 users please see the Windows 10 specific article below