The DEMO version only includes 4 pages:
http://hyperstech.com
http://hyperstech.com/embed/pskxTWuq5oY_rel_0_showinfo_0_ext_iframe.html
http://hyperstech.com/dronexpro.html
http://hyperstech.com/dronexpro/legal/contact-us.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