To run the export script go to the "Utilities" tab in MAX, and click on the "MaxScript" button. A new rollout will apear.
Click on "Run Script" in the MaxScript rollout. Now browse to the folder where you have the script installed, select it and click on "Open".
The export script is now loaded and added to the dropdown list on the MaxScript rollout. Select the item named
The export script rollout apears. Most often you can leave the options checked, or hide all objects that you don't want to export. Click on "Export Scene...", browse to the folder where you also have the textures stored of the scene models and save the file.
If all went well an confirmation message will be shown.