Prolific 3.3.2.105 !!top!! Jun 2026

Version 3.3.2.105 is an older, legacy driver release. It is highly sought after by technicians and hobbyists because it tends to be more tolerant of than the newest official drivers.

The driver is widely recognized as the "legacy" or "fix-it" driver used to resolve compatibility issues with older or counterfeit PL2303 USB-to-Serial chips on modern operating systems like Windows 10 and 11. Why this specific version is used prolific 3.3.2.105