Prolific USB-to-Serial Comm Port 3.6.78.350

Driver for Windows XP–10, 32-bit & 64-bit. Released Jun 5, 2015.

Manufacturer

Prolific

Version

3.6.78.350

Release date

Jun 5, 2015

Windows

Windows XPWindows VistaWindows 7Windows 8Windows 8.1Windows 10

Architecture

32-bit & 64-bit

Size

137 KB

Hardware IDs

2 supported (see list)

Category

Other devices › Prolific

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How to install

1. Check that this is the right driver. Open Device Manager (right-click the Start button), right-click your device, choose Properties and look at "Hardware Ids" on the Details tab. The value should match one of the supported IDs below (more about hardware IDs).
2. Extract it to a folder. If the folder contains setup.exe or install.exe, run it as administrator.
3. If there is no installer, right-click the device in Device Manager, choose Update driver, then "Browse my computer for drivers", select the extracted folder (leave "Include subfolders" ticked) and click Next.
4. Restart the computer and check that the device no longer shows a yellow warning sign in Device Manager.

Windows 11 is not listed by the manufacturer, but drivers made for 64-bit Windows 10 usually work on Windows 11 as well.

Supported hardware IDs

This driver package declares support for 2 device IDs. Open an ID to see every driver available for that device.

Other drivers for this hardware