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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 | Important Notes | Date |
|---|---|---|---|
| Windows 10, 8.x, and 7 |
Drivers will typically install automatically through Windows Update
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| 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.
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| 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.
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