The DEMO version only includes 4 pages:
http://asutos.com
http://asutos.com/2021/05/01/smart-water-management-with-iot.html
http://asutos.com/2021/05/01/connecting-machines-an-easy-range.html
http://asutos.com/2021/05/01/luminescent-roads.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