The Nuget Pusher REST .NET package reference can be added to an existing project by:
- Right click on project
- select Add Library Package Reference... (this opens up the Nuget dialog)
- on the left select Online -> Search for "Pusher"
- The "PusherRESTDotNet" package will be shown.
- Click "Install" to install it as a reference.
You can then use the library as outlined in the following .NET tutorials: