
==================================================
PL2303G ARM Driver Setup Installer, Prolific Edition
Setup Installer Revision Note History
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PL2303G ARM Driver Installer v6.5.0.0
   Installer & Build date: 6.5.0.0 (2026-02-06)
	GUID:FEA536A8-2F30-47B6-A93A-C50A2379B543

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Windows 11: 
System Requirement:
  . USB 1.1/2.0/3.0/3.1 Host Controller
  . Device using PL2303GC/GC_Q20/GS/GT/GT_2AB/GL/GE/GR/PL2323 version chips
  . Supports the following Windows OS Family (64 bit):       
	- Windows 10 (build 19041 20H1 ARM)  
	- Windows 11 (build 22000 21H1 ARM)  
	- Windows 11 (build 22621 22H2 ARM)
 	- Windows 11 (build 22621 23H2 ARM)
 	- Windows 11 (build 26100 24H2 ARM)
   - Windows 11 (build 26200 25H2 ARM)
 
Supported device ID and product strings:
  . VID_067B&PID_23A3 for "Prolific PL2303GC USB Serial COM Port" (PL2303G series)
  . VID_067B&PID_23A3 for "Prolific PL2303GD USB Serial COM Port" (PL2303G series)
  . VID_067B&PID_23C3 for "Prolific PL2303GT USB Serial COM Port" (PL2303G series)
  . VID_067B&PID_23D3 for "Prolific PL2303GL USB Serial COM Port" (PL2303G series)
  . VID_067B&PID_23E3 for "Prolific PL2303GE USB Serial COM Port" (PL2303G series)
  . VID_067B&PID_23F3 for "Prolific PL2303GS USB Serial COM Port" (PL2303G series)
  . VID_067B&PID_2323 for "Prolific PL2323 USB CDC Serial Port" (PL2303G series)


Driver Versions:
-------------------
	- PL2303G ARM : WDF WHQL Driver: v5.3.11.0 (01/28/2026) - for Windows 10 / 11 ARM
Release Notes:
---------------
   =====================================================================
   PL2303G series Windows WDF WHQL Driver v5.3.11.0 (01/28/2026):
   =====================================================================
	Driver Revision Change:
	--------------------------------
 	.  Enhance GPIO performance.
	
	
Previous History:

	Driver v5.3.10.0 (11/11/2025)
	--------------------------------
 	.  Driver Certified for Windows 11 25H2 ARM (version 25H2 ARM).
	
	Driver v5.3.9.0 (08/01/2025)
	--------------------------------
 	.  Add support new PL2303GC_Q20.
	
	Driver v5.3.8.0 (12/04/2024)
	--------------------------------
 	.  Add support new PL2303GT_2AB.

	Driver v5.3.7.0 (06/07/2024)
	--------------------------------
 	.  Driver Certified for Windows 11 24H2 ARM (version 24H2 ARM).


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   Language Support: 
	- English (default)

Download Latest Driver here:
https://www.prolific.com.tw/en/products/smart-i-o-solution-en/usb-1-1-to-uart-serial-printer/


===========================
How to Install Driver
===========================
1. Unplug any PL2303G USB Device first.
2. Run Driver Installer EXE program to install. Wait to finish. 
3. Plug PL2303G USB Device and go to Device Manager to check COM Port number. 
4. If PL2303G is embedded, you might need to restart Windows or rescan hardware in Device Manager.
5. Refer to PL2303G Windows Driver User's Manual. 

NOTE: For silent install, include the syntax "/s" at the end of the EXE installer program. 
For example: "PL2303G-ARM_LogoDriver_Setup_6100_20240827.exe /s" .


===========================
How to do Silent Uninstallation
===========================
You need to create ISS response script to run silent uninstall or silent overwrite (update/modify). 

Example of how to create Uninstall script:
1. Copy your SETUP.EXE file to Temp folder.
2. Make sure you already run SETUP driver install beforehand. 
3. Run C:\TEMP\SETUP.EXE -r -f1¡¨C:\TEMP\uninstall.iss¡¨ and choose option Remove in dialog box. 
4. The file uninstall.iss will be created in Temp folder. 

To test silent uninstall:
1. Run ¡§C:\TEMP\SETUP.EXE -s¡¨ to install driver again.
2. Run C:\TEMP\SETUP.EXE -s ¡Vf1¡¨C:\TEMP\uninstall.iss¡¨ to silent uninstall.

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How to do Silent Driver Update/Overwrite
==============================
Example of how to create Overwrite script:
1. Make sure you already run SETUP driver install beforehand. 
2. Run C:\TEMP\SETUP.EXE -r -f1¡¨C:\TEMP\overwrite.iss¡¨ and choose first option (Modify) in dialog box to install new driver (overwrite).

To test silent overwrite:
1. Run SETUP.EXE of old version. 
2. Run C:\TEMP\SETUP.EXE -s ¡Vf1¡¨C:\TEMP\overwrite.iss¡¨ to silent install new driver version. 

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Prolific Technology Inc.
http://www.prolific.com.tw
