Read the 3DfxPLUS.HLP file to learn how to use the 3DfxPlus.DLL functions and how to register 3DfxPlus.DLL. Before using the VB project, 3DfxDemo.MAK, you should copy the following file(s) into your Windows\System directory: 3DfxPLUS.DLL CMDIALOG.VBX (if you don't already have this one) This shareware package does not include a standard Windows installation program in order to conserve BBS download time.