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:
Drivers & Downloads Search for your device by product number to get drivers and downloads, manuals, documentation and other online support. You can also search for discontinued products. For windows usb serial adapter cables using prolific chip also mac and linux drivers for usb serail cables as well as x86 64-bit drivers for prolific chip serial cables usb serial driver. Download PL2303ProlificDriverInstallerv1.9.0.zip Windows Driver Installer Setup Program (For PL2303 HXA, XA, HXD, EA, RA, SA, TA, TB versions).
This driver file contains the following software versions:
- Installer version & Build date: 1.20.0 (07-30-2018)
- Windows XP (32 & 64-bit) WDM WHQL Driver: v3.8.24.0 (07-05-2018)
- Windows Vista/7/8/8.1/10 (32 & 64-bit) WDF WHQL Driver: v3.8.25.0 (07-12-2018)
Prolific Serial Usb Driver
Mac:
MacOS 10.15 Catalina, MacOS 10.14 Mojave, MacOS 10.13 High Sierra, MacOS 10.12 Sierra, OS X 10.11 El Capitan, 10.10 Yosemite, and 10.9 Mavericks (all 64-bit)
- Installer version & Build date: 2.0.0 (2019-12-04)
- MacOS 10.13 High Sierra has introduced additional security to Gatekeeper requiring extra steps to enable the driver, we have documented the procedure at our blog post here: How to Fix Extensions Blocked by Gatekeeper in MacOS 10.13 High Sierra
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)
- Installer version & Build date: 1.5.1 (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.
Other Platforms:
The adapter uses the standard USB Prolific VID and PID of 0×2303, which is recognized by all of Prolific’s standard drivers.
Please visit the Prolific PL2303 driver download page for all other operating system options. Login as guest with the password guest and choose USB Serial/Parallel under USB Smart I/O Controllers.
More Links:
When possible, for Microsoft Windows users, we try to have drivers available for download through Windows Update for many of our products. For those products, simply plugging in your device should cause your PC to download and install drivers automatically if your PC has Internet access.
For Mac OS X users with supported products, if a driver is not provided by the operating system, they must be downloaded and installed. For Linux/Unix users, support varies widely by product, kernel version, and OS distribution.
Click a product category below for driver downloads and installation instructions:
USB Laptop/Tablet Docking Stations | USB Graphics Adapters | Thunderbolt 3 Docking Stations & Graphics Adapters | USB Network & WiFi Adapters | USB Serial Adapter | USB 2.0 Bluetooth 4.0 LE Adapter |
USB Windows Transfer Cables | USB Microscope | MultiSeat Terminals | USB 3.0 PCI-e expansion card | Other or I’m not sure |
No driver or software installation required:
USB Hubs, Switches, & Extensions | USB 3.0 SATA Drive Docks | USB Media Card Readers | USB Audio | USB Keyboards & Mice | Other or I’m not sure |
Prolific Driver Pl2303
Firmware Updates:
Prolific Drivers For Mac Catalina
USB 3.0 Hubs & USB 3.0 Docking Stations | USB 3.0 SATA Hard Drive Docks and NVMe Enclosures |