The DEMO version only includes 4 pages:
http://demalthafoundation.nl
http://demalthafoundation.nl/aanmeldformulier.html
http://demalthafoundation.nl/organisatie.html
http://demalthafoundation.nl/maltha-foundation-nieuws/motivatie-training-waarom-zou-ik-leren.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/en/buy-wayback-machine-downloader-recover/ to buy a fully functioning site.
Go back to the index page