The DEMO version only includes 4 pages:
http://montredemarque.nl
http://montredemarque.nl/create_account.html
http://montredemarque.nl/de.html
http://montredemarque.nl/it.html

It is possible to download these free files and install them on your server, so you can test how the site works.
Visit https://www.waybackmachinedownloader.com to buy a fully functioning site.
Go back to the index page