The Star Trek Referencer - Demo Version To install the Demo Version of the Star Trek Referencer, simply copy the files VBRUN200.DLL and THREED.VBX to your Windows directory. The remaining three files may be put in a directory of your choice. All the features of the complete version are enabled in the Demo, but the demo only covers 10 of the 79 episodes of the Star Trek Television Series. For information on registering this software and receiving a complete version, consult the online help file (Help menu, Contents)