The DEMO version only includes 4 pages:
http://alphachannel.net.br
http://alphachannel.net.br/aluno-sub/sg_web/default_escola-3107.html
http://alphachannel.net.br/fatac.html
http://alphachannel.net.br/posgraduacao/pos-alpha.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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