The DEMO version only includes 10 pages:
http://jeruai.com
http://jeruai.com/en-US.html
http://jeruai.com/login.html
http://jeruai.com/signup.html
http://jeruai.com/policies/terms.html
http://jeruai.com/policies/privacy.html
http://jeruai.com/policies/refund.html
http://jeruai.com/app/chat.html
http://jeruai.com/app/presets.html
http://jeruai.com/app/coder.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://www6.waybackmachinedownloader.com/website-downloader-online/scrape-all-files/ to buy a fully functioning site.
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