The DEMO version only includes 4 pages:
http://e-fora.pl
http://e-fora.pl/ucp_mode_login_sid_cda52bbd9b920bba3252e98e803b7580.html
http://e-fora.pl/ucp_mode_register_sid_cda52bbd9b920bba3252e98e803b7580.html
http://e-fora.pl/faq_sid_cda52bbd9b920bba3252e98e803b7580.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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