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PL2303 Windows Driver Download   USB to UART RS232 Serial

File Name Release Date Version File Size 2024/01/05 14185.12KB


Windows Driver Installer Setup Program ( Win7 / Win8.1 / Win10 / Win11)
Installer version & Build date: (2024-01-05)

Windows 11 ( 64-bit ) WDF WHQL Driver: v3.9.5.0 (02/24/2023) / v5.2.6.0 (04/20/2023)

(For PL2303 HXD, SA, RA GC, GS, GT, GL, GE , GD, GR versions)
  - Windows 11  Certified WHQL Driver ( 22H2 versions)
   - Auto-download driver via Windows Update (Windows 11)

Windows 7/8.1/10 (32 & 64-bit) WDF WHQL Driver: v3.8.42.0 (02/22/2023) / v5.1.6.0 (04/13/2023)

(For PL2303 HXD, SA, TA, TB, RA GC, GS, GT, GL, GE , GD, GR versions)
  - Windows 10  Certified WHQL Driver (TH1 1507, TH2 1511, RS1 1607, RS2 1703, RS3 1709, RS4 1803,RS5 1809,19H1 1903, 19H2 1909, 20H1 VB, 21H1,versions)
   - Windows Vista, 7, 8.1 Certified WHQL Driver 
   - Compatible with Windows Server 2016, Server2008, 2008R2, 2012, 2012R2, 2019, 2022
   - Auto-download driver via Windows Update (Windows 7, 8.1, 10)


- Installer Language Support: English (default),

- For Prolific USB VID_067B&PID_2303, PID_2304, PID_23A3, PID_23B3, PID_23C3,PID_23D3,PID_23E3,PID_23F3,PID_2323.
- Includes Certification Report, User Manual, Driver Release Notes, CheckChipVersion Tool
- Installer supports silent install (add "/s" parameter when running program)




Download Driver Setup Program: 

Driver Installer File



OS Support
DCHU (for PC Vendors) Download file N/A

Windows 11 or higher

- PL2303G Driver: v5.2.7.2 (06/06/2024)
- PL2303D Driver: v3.9.7.2 (06/12/2024)
DCHU (for PC Vendors) Download file N/A

Windows 10 RS3 or higher

- PL2303G Driver: v5.1.3.2 (03/31/2022)
- PL2303D Driver: v3.8.36.2 (03/15/2021)


  • Windows 8/8.1/10 are NOT supported in PL-2303HXA and PL-2303X EOL chip versions.
  • Windows 11 and higher  are NOT supported in PL-2303HXA/ TA/TB/HXD/RA/SA/EA (EOL chip version).
  • Run PL2303 CheckChipVersion tool program in Windows XP/Vista/7 to check chip version.
  • Windows Vista, XP, 2000, 98 and Windows ME driver technical support are discontinued.
  • Prolific recommends to use PL-2303GC chip.

Download:  PL2303 CheckChipVersion tool program  


Log-in to our Support webpage to download more files:
Account: GUEST
Password: GUEST


Warning Notice:
Please be warned that counterfeit (fake)
PL-2303HX (Chip Rev A) USB to Serial Controller ICs using Prolific's trademark logo, brandname, and device drivers, were being sold in the China market. Counterfeit IC products show exactly the same outside chip markings but generally are of poor quality and causes Windows driver compatibility issues (Yellow Mark Error Code 10 in Device Manager). We issue this warning to all our customers and consumers to avoid confusion and false purchase.

Please be warned that selling counterfeit products are illegal and punishable by civil and criminal courts according to the trademark, copyright, and intellectual properties laws and regulations. Prolific will take proper and severe actions to cease and confiscate these counterfeit products. Prolific also prohibits the distribution of any PL-2303 drivers (including download links) without written permission from Prolific.

Prolific advices end-users to only purchase vendor branded cable products with company name contact information for service and support. Prolific does not sell cables with Prolific brand and packaging. In case you suspect a counterfeit chip inside, you may also contact Prolific to provide the vendor information.

Prolific recommends following vendor cable brands:

Product: AP1103 (AP1100) USB Serial Converter

Good Way Technology Co., Ltd. (Taiwan)
Contact: Gary Chang

Tel: +886-2-8919-1200 ext. 349

Product: Plugable USB to RS-232 DB9 Serial Adapter (PL-2303HX Rev D chipset)

Plugable Technologies (USA & UK Direct)
Contact: Bernie Thompson

Product: Y-105 USB to Serial Converter

Tech-Top Technology Ltd. 

Contact: Shovial Lam

Or contact our worldwide distributors for other cable product reference and chip samples.


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Tel: +886-2-2654-6363 / Fax: +886-2-2654-6161 / Website: / E-mail:

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No.10-2, Lixing 1st Rd., Hsinchu Science Park, Hsinchu City 300, Taiwan, R.O.C.
Tel: +886-3-578-2011 / Fax: +886-3-578-2022
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