Click the downward arrow next to this subheading to collapse the devices within this category. Here you will see a subheading titled ‘Ports (COM & LPT)’. To do this, navigate to Control Panel in Windows and select Device Manager. If this driver installation becomes corrupted, it may be necessary to delete the driver and start from the beginning. For a Windows computer, the drivers for your CrossFire USB Motion Control Board should automatically download when you first plug the electronics box into your computer.