Download the OPCDatGenerator.exe file by clicking here.
Run OPCDataGenerator.exe with the option /RegServer: OPCDataGenerator /RegServer. This will register the server in your Windows registry. If you want to unregister it (to uninstall the Server) use the option /UnregServer.
You should be able to access to the opc server locally. To access to it remotly you need to set the DCOM permission using dcomcnfg.