Prolific+usb+to+serial+comm+port+version+32+00+download+2021 !new! [2026]

Prolific’s PL-2303 chip became the de facto standard for USB-to-serial converters. However, counterfeit chips flooded the market (especially from non-certified Chinese manufacturers). These clones used stolen or reverse-engineered designs.

Many older USB-to-Serial adapters use Prolific chipsets (like the PL2303HXA) that reached "End-of-Life" (EOL) status years ago. Prolific's official newer drivers are designed to intentionally disable these older chips on modern Windows versions. prolific+usb+to+serial+comm+port+version+32+00+download+2021

: The driver creates a virtual COM port (such as COM32) that software can "talk" to as if it were a built-in serial port. Broad Compatibility Prolific’s PL-2303 chip became the de facto standard

Since Windows Update will automatically try to install the "broken" newer version, follow these steps to force Version 3.2.0.0: Small Footprint: Starting around 2012

Prolific had removed the "clone-friendly" drivers by 2019. However, in early 2021, they briefly re-uploaded v3.2.0.0 under their legacy support section. The direct link pattern was:

When paired with compatible hardware, the connection is robust for industrial equipment, GPS receivers, and radio programming. Small Footprint:

Starting around 2012, Prolific intentionally altered its official drivers to detect non-genuine chips. If a clone was detected, Windows would disable the device and show Code 10 (This device cannot start) in Device Manager. The more recent the driver, the stricter the detection.