Version 3.2.0.0 (specifically file version 3.2.0.0 dated 10/22/2007 or slightly later variants) is the last "universal" driver release before the blocking mechanism was implemented. It is stable, digitally signed (usually), and works on Windows 7, 8, 10, and 11.
or similar) from specialized repositories or community sites like Disconnect the Device prolific usb to serial comm port version 32 00 download 2021
Prolific USB-to-Serial Comm Port driver version 3.2.0.0 is widely considered the "gold standard" legacy driver for resolving compatibility issues on Windows 10 and 11. While newer versions were released in 2021, such as Version 3
Prolific USB to Serial Controller Driver | Driver Details | Dell US While newer versions were released in 2021, such
: You can access their current driver downloads at Prolific USA or via their Customer Login (using GUEST for both username and password) to see if they still offer legacy versions.