Installation Instructions for Argus ONE and MeshMaker Guided Tour For Microsoft Windows 95, and NT 1. If the file was not expanded by your browser, expand it as follows: From your DOS command prompt enter the directory into which you`ve downloaded the files. Expand the MM_DEMO.ZIP file using PKUNZIP with the command: PKUNZIP MM_DEMO.ZIP The file MM_DEMO.EXE will be created. Now you can delete the MM_DEMO.ZIP file. If you don`t have the PKUNZIP.EXE, you can download it from our site. 2. You must have your screen colors set to 256! 3. In the Microsoft Windows, double click the MM_DEMO.EXE file to run the demo. After watching the guided tour you can download Argus OPEN Numerical Environments Evaluation version and work with the real thing.