The DEMO version only includes 4 pages:
http://kampistas.com
http://kampistas.com/index_sid-d17600f9b39b912caf27863d1f6a3a4c.html
http://kampistas.com/archivo.html
http://kampistas.com/index_sid-d74f406f0deea385aa03fbc0b9e97b98.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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