Follow these steps:
1. Download the FTDI drivers installation guide for your operating system: You are not allowed to view links.
Register or
Login2. Follow the FTDI installation guide.
3. After the drivers are installed go to your Device Manager ---> Ports (COM and LPT) ----> USB Serial Port (COMx) and right click on it for properties.
4. Under "Port Settings" set it to Bits Per Second = 115200, Data Bits = 8, Parity = NONE, Stop Bits = 0, Flow Control = NONE. the click OK.
The enter the COM port number in vixen.