No official driver exists for Windows 10 or 11 64-bit for the FC 136. You will need to use a compatibility layer (explained below).

Typically a specialized USB-to-serial cable matched to the pins on your Firstcom FC-136.

Download Software Firstcom FC 136: A Comprehensive Guide

: Extract the downloaded file using a tool like WinZip or WinRAR. Run and follow the on-screen prompts. Install USB Drivers

While Firstcom does not maintain a centralized global download portal, the software is often distributed through regional retailers or community archives: Programming Software

: You must install a USB-to-Serial driver (often Prolific or FTDI ) for your computer to recognize the cable.