The DEMO version only includes 4 pages:
http://katalog-rycha.pl
http://katalog-rycha.pl/noscript_k_6LeEMgUAAAAAAAm9e4-LPKNY_0hJ-IQ1nlkHrIIx_ext_iframe.html
http://katalog-rycha.pl/admin/action_register.html
http://katalog-rycha.pl/admin.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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