USB Serial Adapter Drivers

USB Serial Adapter Drivers

Download the latest drivers for your Plugable PL2303-DB9 USB Serial Adapter.
 
Please note, these may not be the latest drivers, but they are the ones we recommend.
Applicable Products

Additional drivers, provided directly by Prolific, can be found on this page .

On Prolific's site, use guest for the username and password.

Note: macOS 10.13 High Sierra has introduced additional security to Gatekeeper requiring extra steps to enable the driver, we have documented the procedure in our Knowledge Base.
Platform Version and Download Notes Date
Windows 10, 8.x, and 7
Drivers will typically install automatically through Windows Update
Windows XP and Above 1.20.0 2018
macOS 10.9 to 10.15.x 2.0.0
MacOS 10.13 High Sierra has introduced additional security to Gatekeeper requiring extra steps to enable the driver, we have documented the procedure in our Knowledge Base.
December 4, 2019
macOS 10.6 to 10.8 1.5.1 September 2, 2013
Linux Kernel 2.6.11 and Above
Support for the adapter is built into Linux kernels above version 2.6.11.
Other
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.