Open GUIDE.html for the illustrated manual. This free archive contains documentation, a screenshot and fictional input CSVs only; it does not contain the program or start.mjs.

Try the separate free fixed browser example: https://perunlight.com/demos/njordmatch/
It has prepared results and no file import or general matching engine.

To use your own files, the purchased local program is available at https://perunlight.com/store/njordmatch/ . Its launch instructions apply to the purchased ZIP, not this free guide pack.
