PreRequirements
Before you start your Unity Project, you must have the Phantom Device Drivers installed in your computer, as well as the OpenHaptics Dev Kit. Both of them can be obtained at 3DSystems Website, the installation instructions should be with the device you bought.
Once installed, go to Haptic Configuration (Geomagic Touch Setup), and change the name of your haptic device to "haptic0". In case you have two haptic devices, change the second one to "haptic1".
Unity Installation
To install the Sensus3D plugin, you have to import the package into Unity.
To do this, simply click on the Menu Assets, Import Asset, Custom Package.