The DEMO version only includes 4 pages:
http://wsc2021.com.au
http://wsc2021.com.au/widget/loadView_id-47691_ext_iframe.html
http://wsc2021.com.au/registration.html
http://wsc2021.com.au/registration/how-will-the-online-conference-work.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.
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