The DEMO version only includes 4 pages:
http://giswnauce.pl
http://giswnauce.pl/aby-dom-byl-ekologiczny.html
http://giswnauce.pl/alternatywne-zrodla.html
http://giswnauce.pl/argumenty.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.
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