Cable connects directly to a USB port on your PC and to the Micom microphone jack. The USB to serial adapter is built into the USB connector. The cable should install automaticly on Window 10, For other operating systems you may need to install a driver by downloading it online at https://www.ftdichip.com/FTDrivers.htm. After the cable is installed on PC, you must verify the Comm Port assigned. To work with the Micom Programming Software (MRC) you will need to assign the cable to a Comm port between Comm Port 1 - 6.