The DEMO version only includes 10 pages:
http://webguru.top
http://webguru.top/bitpro/indexbc14_a_home.html
http://webguru.top/bitpro/indexa972_a_rules.html
http://webguru.top/bitpro/index38cd_a_faq.html
http://webguru.top/bitpro/index15a0_a_support.html
http://webguru.top/proin.html
http://webguru.top/proin/signup.html
http://webguru.top/bitpro/indexcca3_a_signup.html
http://webguru.top/bitpro/indexc30b_a_login.html
http://webguru.top/proin/forgotPassword.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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