Copy the PBNet35.dll to the install directory of Paul Bunyan.

eg.
c:\Program Files (x86)\Diamond Sierra\Paul Bunyan

Register the DLL in the .Net global assembly cache as follows:
gacutil /i [DLL path]\PBNet35.dll


When you want to add a reference to this assembly in your Visual Studio project, select it from the .NET 
tab in the Add Reference dialog and browse to the PBNet35.dll.

To remove the assembly from the GAC type:
gacutil /u PBNet35


