This driver makes a virtual serial port in your system. • In Windows, serial port named as COM port. • If you want to use Hyper terminal than you have to download. • If you want to use Putty than download this file from. Now you have to follow below steps to communicate with your device: Step – 1: Connect your device with your system through RS-232 cable or USB-to-Serial adapter and check whether it’s connected successfully or not. (see step 2) Step – 2: Open device manager and check for COM ports, it get assigned a COM port or not.