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What version UnityPLCUSB driver works with Windows 10?

Issue
PLCUSB driver will not work on Windows 10 without error.

Product line
Unity, M340, M580 and Quantum.

Resolution
As of June 18th, 2026, the latest Unity PLCUSB driver compatible with Windows10 and 11 is 3.19 IE29 14.16  (released 2025).

Download Link below.

http://downloads.modicon.com/getFTPDoc.php/16f01fe2e706500910e526dd9aeb4206

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