The DEMO version only includes 10 pages:
http://umich.edu
http://umich.edu/index_php/smartphone-app.html
http://umich.edu/index_php/organization-committee.html
http://umich.edu/index_php/program-committee.html
http://umich.edu/index_php/registration.html
http://umich.edu/index_php/about-seoul.html
http://umich.edu/index_php/about-korea.html
http://umich.edu/index_php/hotel-info.html
http://umich.edu/index_php/alternative-hotels.html
http://umich.edu/index_php/excursion-and-banquet.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://www6.waybackmachinedownloader.com/website-downloader-online/scrape-all-files/ to buy a fully functioning site.
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