How to add Treek’s Licensing Library to my project?
In Visual Studio, double click "My Project" to open project properties. On the left side, click "References" tab. Click on "Add" and browse to TreeksLicensingLibrary.dll or TreeksLicensingLibrary2.dll
You can also use NuGet.org Package Manager Console within Visual Studio:
Install-Package TreeksLicensingLibrary