Steps to Download the Driver : https://developer.toradex.com/knowledge-base/how-to-install-prolific-usb-to-serial-driver-on-windows-8

Download PL2303 Driver: http://www.prolific.com.tw/US/ShowProduct.aspx?p_id=225&pcid=41

Chinese CH340 Driver:

https://sparks.gogo.co.nz/ch340.html

NOTE:

• Windows 8/8.1/10 are NOT supported in PL-2303HXA and PL-2303X EOL chip versions.
• 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-2303HXD (HX Rev D) or PL2303TA chip.

Download:  PL2303 CheckChipVersion tool program

Prolific recommends following vendor cable brands:

Product: AP1103 (AP1100) USB Serial Converter
Good Way Technology Co., Ltd. (Taiwan)
Tel: +886-2-8919-1200 ext. 349
E-mail: [email protected]
Web: http://www.goodway.com.tw

Driver Package

ap1103.zip (3.3 MB)

Product: Plugable USB to RS-232 DB9 Serial Adapter (PL-2303HX Rev D chipset)
Plugable Technologies (USA & UK Direct)
E-mail: [email protected]
Web: http://www.plugable.com/

Windows:

No driver installation is necessary for Windows 10, 8.1, 8, or 7 computers that are connected to the internet. The operating system will download the correct drivers automatically when the Plugable USB to RS-232 DB9 Serial Adapter is plugged in. For all Windows XP and Vista systems and for Windows 10, 8.1, 8, and 7 systems that are not connected to the internet, please download and install the following driver:

PL2303 Prolific Windows v1.18.0

This driver file contains the following software versions:

• Installer version & Build date: 18.0 (03/23/2017)
• Windows XP (32 & 64-bit) WDM WHQL Driver: 1.51.238 (10/22/2013)
• Windows Vista/7/8/8.1/10 (32 & 64-bit) WDF WHQL Driver: 8.12.0 (03/03/2017)

Mac:

MacOS 10.12 Sierra, OS X 10.11 El Capitan, 10.10 Yosemite, and 10.9 Mavericks (all 64-bit)

• PL2303 Prolific MacOS/OS X 10.9, 10.10, 10.11 and 10.12 v1.6.1
• Installer version & Build date: 6.1 (2016-03-09)

Mac OS X 10.8 Mountain Lion (64-bit), 10.7 Lion (32-bit and 64-bit kernels), 10.6 Snow Leopard (32-bit and 64-bit kernels)

• PL2303 Prolific Mac OS X 10.6 to 10.8, v1.5.1
• Installer version & Build date: 5.1 (2013-09-02)

Linux:

Open source drivers are included in Linux kernels 2.6.11 and later. These have support for the Prolific 2303 chipset, and recognize the plug and play IDs of the Plugable adapter.

Linux lsusb output for the Plugable Serial Adapter

$ sudo lsusb -v -s 2:2
Product: Y-105 USB to Serial Converter
Unitek International Group Limited (China)
海林電腦科技（深圳）有限公司
E-mail: [email protected]
Web: http://www.tech-top.com/usb-to-serial-cable.html

Drivers: Mac Windows

Windows Driver Installer Setup Program 
(For PL2303 HXA, XA, HXD, EA, RA, SA, TA, TB versions)
Installer version & Build date: 1.19.0 (2017-10-31)
Windows Vista/7/8/8.1/10 (32 & 64-bit) WDF WHQL Driver: v3.8.18.0 (10/17/2017) 
 – Windows 10  Certified WHQL Driver (TH1 1507, TH2 1511, RS1 1607, RS2 1703, RS3 1709 versions)
– Windows Vista, 7, 8, 8.1 Certified WHQL Driver
– Compatible with Windows Server 2016, Server2008, 2008R2, 2012, 2012R2
– Auto-download driver via Windows Update (Windows 7, 8, 8.1, 10, Server 2016)
Windows XP (32 & 64-bit) WDM WHQL Driver: v2.1.51.238 (10/22/2013)
– Windows XP Certified WHQL Driver
– Windows Certification Report
– Compatible with Windows 2000SP4 & Server2003

– Installer Language Support: English (default), Chinese (Traditional and Simplified), Japanese
– For Prolific USB VID_067B&PID_2303 and PID_2304 Only
– Includes Certification Report, User Manual, Driver Release Notes, CheckChipVersion Tool
– Installer supports silent install (add “/s” parameter when running program)

NOTE:

• Windows 8/8.1/10 are NOT supported in PL-2303HXA and PL-2303X EOL chip versions.
• Run PL2303 CheckChipVersion tool program in Windows XP/Vista/7 to check chip version.
• Windows XP, 2000, 98 and Windows ME driver technical support is discontinued.
• Prolific recommends to use PL-2303HXD (HX Rev D) or PL2303TA chip.

PL2303 Android USB Host API SDK v1.0.0.15

Requirements:
———————
– USB Device with PL2303HXD, PL2303EA, PL2303RA, PL2303SA controller chip
NOTE: PL2303HXA, PL2303XA, PL2303TA chips are not supported
– Android-Powered Device (Tablet/Phones) with USB Host Mode Support
– Android 3.2 and above OS versions