KEPware Automation DLL installation instructions:

To use the KEPware Automation DLL in your Visual Basic project:

1) In the VB IDE, Select "Project/References".

2) If you have been using another vender's automation dll, uncheck it.
   For example, uncheck "OPC Automation 2.0" for the OPC Foundation's 
   automation dll.

3) Check "KEPware OPC Automation 2.0".

4) Recompile your VB project.  If you have been using the OPC Fondation's 
   automation dll, you should not need to make any changes to the VB 
   source code.