A USB Webcam Windows driver is software that allows your computer to recognize and interact with a USB webcam. When you connect a USB webcam to your Windows computer, the operating system needs a driver to facilitate communication between the webcam and the software you're using to access it (e.g., Skype, Zoom, or other video apps).

The driver ensures that the webcam hardware functions correctly by handling tasks like video streaming, resolution settings, frame rate, and other camera features.