I checked my Windows 10 setting before I bought a Tobii Eye Tracker 5. I don't know why Eye control enable button disappeared and become Eye Control (beta). the enable button is no where to be found . It has red font saying "to use eye control, connect a supported eye tracking device" I checked my Windows version is 1803. I watched someone showed Tobii Eye Tracker 5 installed in Windows 10 on YouTube . help please !