The DEMO version only includes 4 pages:
http://kevinhartwhatnow.com
http://kevinhartwhatnow.com/index_files/saved_resource_2_.html
http://kevinhartwhatnow.com/index_files/like_iframe.html
http://kevinhartwhatnow.com/index_files/saved_resource_3_.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.
Go back to the index page