The DEMO version only includes 4 pages:
http://iac.com.ar
http://iac.com.ar/franquicias.html
http://iac.com.ar/trabaja_en_iac.html
http://iac.com.ar/intranet.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