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Prolific Technology PL2303 Serial Port driver

Hardware ID USB\VID_067B&PID_2303

This chip belongs to the Prolific PL2303 family. The family page has the latest drivers and notes on common problems.

Vendor
Prolific Technology, Inc. (VID 067B)
Device
PL2303 Serial Port (PID 2303)
Bus
USB
Drivers
9
Windows
Windows XPWindows VistaWindows 7Windows 8Windows 8.1Windows 10Windows 11

Recommended driver

Prolific PL2303 USB-to-Serial Driver
Version 3.9.6.0 · Jun 17, 2024 · Windows 11 · 64-bit
Get driver

All drivers for VID_067B&PID_2303

DriverVersionDateWindowsBits
Prolific PL2303 USB-to-Serial Driver 3.9.6.0 Jun 17, 2024 Windows 11 64-bit
Prolific PL2303 USB-to-Serial Driver 3.8.43.0 May 29, 2024 Windows 10, 11 32-bit & 64-bit
Prolific USB-to-Serial Comm Port (COM3) Driver 3.9.1.0, 3.8.41.0, 5.1.3.0 Nov 11, 2021 Windows 10, 11 32-bit & 64-bit
Prolific PL2303 USB to UART RS232 Serial Driver 3.8.25.0, 3.8.18.0 Jul 12, 2018 Windows XP, Vista, 7, 8.1, 10 32-bit & 64-bit
Prolific USB-to-Serial Comm Port (COM3) Driver 3.8.18.0, 3.8.12.0 Oct 17, 2017 Windows XP, 7, 8, 8.1, 10 32-bit & 64-bit
USB RS232 Drivers 3.8.25.0, 3.8.12.0 Mar 3, 2017 Windows XP–10 32-bit & 64-bit
Prolific USB-to-Serial Comm Port 3.6.78.350 Jun 5, 2015 Windows XP–10 32-bit & 64-bit
Profilic ELM327 USB Drivers for PL2303 3.4.67.325 Aug 15, 2014 Windows XP–8.1 32-bit & 64-bit
ArkMicro RS323 USB Data Cable Drivers 1.8.0.0, 1.9.0.0, 2.0.0.3 Mar 10, 2006 Windows XP–7 32-bit

Is this your device?

  1. Press Win + X and open Device Manager.
  2. Right-click the device (usually under Other devices, with a yellow mark), choose Properties and open the Details tab.
  3. Select Hardware Ids in the list. If the first line starts with USB\VID_067B&PID_2303, the drivers above are for your device.

More about hardware IDs · Fix common device errors

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