The Intelligent USB DMX Interface (Firmware Download) Windows driver is a software package that allows your computer to communicate with a DMX (Digital Multiplex) interface device via USB. DMX is a communication protocol commonly used in lighting control systems for stage lighting, theater lighting, and other entertainment applications.

The Intelligent USB DMX Interface is typically used to send control signals to lighting systems or other devices that support DMX. The driver enables the interface to work with compatible lighting control software on a Windows system. The term "Firmware Download" likely refers to an update or initial installation of the firmware on the DMX interface itself, which can be done via the USB connection.