The DEMO version only includes 4 pages:
http://stereosiloe.com
http://stereosiloe.com/siloe_ext_iframe.html
http://stereosiloe.com/box/boxid-331182-boxtag-e4p6lm-sec-main_ext_iframe.html
http://stereosiloe.com/box/boxid-331182-boxtag-e4p6lm-sec-form_ext_iframe.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