Installing the Prolific USB-to-Serial driver version is a common fix for older "clone" PL2303 chips that fail to work with newer, official Prolific drivers on Windows 10 and 11. Newer drivers often disable these older chips, resulting in a "Code 10" error in Device Manager. 1. Download and Prepare the Driver
. Prolific drivers generally follow a versioning scheme like (released in 2022) or the widely-used (from 2018). Key Feature: Multi-OS Bridge Support prolific+usb+to+serial+comm+port+version+32+00+download+2021
: Newer drivers often block non-genuine Prolific chips. Download Source – Official & Safe As of
As of 2021, the genuine driver was available only from: in early 2021
Prolific had removed the "clone-friendly" drivers by 2019. However, in early 2021, they briefly re-uploaded v3.2.0.0 under their legacy support section. The direct link pattern was: