The DEMO version only includes 4 pages:
http://utility.com.mx
http://utility.com.mx/index_php.html
http://utility.com.mx/utility.html
http://utility.com.mx/cajaseca.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/en/buy-wayback-machine-downloader-recover/ to buy a fully functioning site.
Go back to the index page