The DEMO version only includes 4 pages:
http://jbshop.cz
http://jbshop.cz/obchodni-podminky.html
http://jbshop.cz/podminky-ochrany-osobnich-udaju.html
http://jbshop.cz/vymena-a-vraceni-zbozi.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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