Tobii Pro Sprint is compatible with the following eye trackers:
Tobii Pro Nano - Windows, Mac OSX
Tobii Pro X3-120 (without EPU) - Windows
Tobii Pro X2-30 - Windows
You need to use the latest version of Tobii Pro Eye Tracker Manager to install the drivers for the above mentioned models. Please check this page to download the correct drivers.
Other Tobii eye trackers (like the Tobii 4C) are not supported anymore.
Eye trackers from other manufacturers are not supported.