Prolific USB-to-Serial Comm Port (COM3) Driver 3.9.1.0, 3.8.41.0, 5.1.3.0

Driver package for Windows 10, 11, 32-bit & 64-bit. Released Nov 11, 2021.

Manufacturer

Prolific

Version

3.9.1.0, 3.8.41.0, 5.1.3.0

Release date

Nov 11, 2021

Windows

Windows 10Windows 11

Architecture

32-bit & 64-bit

Size

9.8 MB

Hardware IDs

21 supported (see list)

Category

Chipset › Prolific

Download

How to install

1. Check that this is the right driver. Open Device Manager (right-click the Start button), right-click your device, choose Properties and look at "Hardware Ids" on the Details tab. The value should match one of the supported IDs below (more about hardware IDs).
2. Extract it to a folder. If the folder contains setup.exe or install.exe, run it as administrator.
3. If there is no installer, right-click the device in Device Manager, choose Update driver, then "Browse my computer for drivers", select the extracted folder (leave "Include subfolders" ticked) and click Next.
4. Restart the computer and check that the device no longer shows a yellow warning sign in Device Manager.

Supported hardware IDs

This driver package declares support for 21 device IDs. Open an ID to see every driver available for that device.

Other drivers for this hardware