The DEMO version only includes 4 pages:
http://sushi-king.ua
http://sushi-king.ua/index-php_route_checkout/simplecheckout.html
http://sushi-king.ua/index-php_route_account/simpleregister.html
http://sushi-king.ua/sale.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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