If you start from scratch, just create a new, empty project in Unity.
Installing the VirtualGrasp plugin for Unity
To import VirtualGrasp into your Unity project, go to Assets → Import Package → Custom Package and import the VirtualGrasp *.unitypackage. After doing this, you should find the main VirtualGrasp installation under ThirdParty/VirtualGrasp in your Unity project.
Updating the VirtualGrasp plugin for Unity
If you are updating the VG SDK in your project, it we strongly recommend to remove the old version before importing the new one, to avoid clutter of old files. The whole VG SDK is placed into a single folder (by default ThirdParty/VirtualGrasp) to make the update process as convenient as possible for you. If you are customizing files inside the VG SDK, you should backup your old state or use a versioning system such as git.
Getting Started with VirtualGrasp and the Console View
There is only one minimal main component you have to add by default to use and configure VirtualGrasp: MyVirtualGrasp.cs. Adding a component to your scene and playing your scene, you should see some messages produced by the plugin in the Console Window.
You can identify that VG has been successfully initialized when a message like these appear on the Console, also informing you of the SDK version: