The DEMO version only includes 4 pages:
https://michael-merlen.fr
https://michael-merlen.fr/calculer-votre-impot-2016.html
https://michael-merlen.fr/le-chef-dentreprise.html
https://michael-merlen.fr/le-chef-dentreprise/cotisations-socialespatronales.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