

Although this usually works well, a number of problems can crop up because many of the devices people want to connect are older devices with various issues.

The Plugable USB serial adapter allows you to connect legacy devices that use RS232 serial communications to computers that do not have a serial port. Originally authored by: David Roberts, December 9, 2013

Download the legacy driver 1.20.0 from our download page here and save the.Prolific has not yet released a Windows 11 driver for the PL2303HXD chipset used in our USB to Serial Adapter, in the meanwhile we can install an older driver to enable this adapter on Windows 11 systems by performing the following:
