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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 — see the overview with the latest drivers and 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 (often listed under Other devices with a yellow sign) → Properties → Details.
  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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