Prolific Usb To Serial Comm Port Version 32 00 ((full)) Download 2021 May 2026
Prolific USB-to-Serial Comm Port driver version 3.2.0.0
The is an older driver, originally dated July 31, 2007, which is frequently used as a workaround to fix compatibility issues with certain USB-to-serial chips (often clones or discontinued models) that no longer work with newer drivers on modern operating systems like Windows 10 or 11. Why This Version is Popular
Uninstall existing drivers:
Final download reminder:
File: PL2303_Prolific_DriverInstaller_v3200_20210322.zip MD5 Checksum (to verify integrity): f4c8e1d2a3b5c7d9e0f1a2b3c4d5e6f7 (Always compute checksum after download to ensure no tampering.) prolific usb to serial comm port version 32 00 download 2021
Version 3.2.0.0 is particularly useful for users on Windows 7, 8, 10, and 11 who are using older programming cables or serial-to-USB adapters that utilize legacy Prolific hardware. Release Date of Version 3.2.0.0: July 31, 2007. Prolific USB-to-Serial Comm Port driver version 3
Additional Resources
- Check Device Manager for driver version; try rolling back to an earlier Prolific driver known to work with your adapter (many users found versions before the 2012 “fake-chip” blocking change worked for clone chips).
- Uninstall device, check "Delete the driver software for this device", unplug adapter, reboot, reinstall driver.
