The DEMO version only includes 4 pages:
http://ifoha-folie.com
http://ifoha-folie.com/index_force_sid-33835c35eb7ab97f9b895e77ff13b7a2-.html
http://ifoha-folie.com/index_force_sid-33835c35eb7ab97f9b895e77ff13b7a2-cl-basket.html
http://ifoha-folie.com/auto-folien/force_sid-33835c35eb7ab97f9b895e77ff13b7a2.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.
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