The N-Trig HID Tablet Digitizer Windows Driver is a device driver used to support the operation of N-Trig tablet digitizers on Windows-based computers. N-Trig, a company known for creating digitizer technology, was acquired by Microsoft and their technology is often used in stylus-based input systems, such as those found in some touchscreen laptops, tablets, and 2-in-1 devices (like some models of the Microsoft Surface).