Click the plus sign by sound video and game controllers. Then run the installer for the new driver. Go to the Device manager and remove all CMI entries under Sound Video and Game controllers. Say no if asked to reboot. Go to the control panel.
Double click add new hardware.
Go through the wizard, but don't let Windows search. Choose I want to choose from a list. Browse to the place where you unzipped the file. Finish up the wizard. It's kind of hard to help without knowing how that driver was built.