Prolific Usbtoserial Comm Port Version 333114 Driver

If you see VID_067B&PID_2303 , you have a Prolific-based adapter. Version 333114 is designed for these IDs, particularly REV_0300 and REV_0400.

Before downloading, confirm that your hardware and software require this specific version.

Right-click the Start button and select Device Manager . prolific usbtoserial comm port version 333114 driver

Summary

Execute the installer (typically .exe ) to add the driver files to your system. If you see VID_067B&PID_2303 , you have a

If you rely on this serial connection for daily professional work, messing with driver downgrades and update blocks can become a hassle.

USB-to-Serial chipset is one of the most widely used components in serial-to-USB adapters, cables, and converters. It enables older equipment (like GPS devices, PLC controllers, barcode scanners, and console cables) to connect to modern computers via USB. If you see VID_067B&PID_2303

Download and installation (Windows)