Prolific+usb+to+serial+comm+port+version+32+00+download+2021 [portable] -

Thus, while 3.2.0.0 is not a “2021 driver,” it remains the for anyone stuck with older hardware.

Windows 10/11 may try to overwrite this older driver with a newer, non-working one. It is advised to turn off automatic driver updates. prolific+usb+to+serial+comm+port+version+32+00+download+2021

: Right-click the Start button and select Device Manager . Thus, while 3

: Resolves the "Yellow Triangle" or "Code 10" error in Device Manager. : Right-click the Start button and select Device Manager

Many users in 2021 (and currently in 2026) still rely on the 3.2.0.0 driver because it is considered a . It frequently works better with older or generic (non-genuine) PL2303 chips, bypassing the "This is not a genuine Prolific chip" detection found in newer drivers. Benefits of this driver:

: Note the number in parentheses (e.g., COM3 ) in Device Manager; you will need this for your software.

Example A — Connecting an Arduino serial console on Windows: