The DEMO version only includes 4 pages:
http://promotordesitios.com
http://promotordesitios.com/campanas-de-e-marketing-para-empresas.html
http://promotordesitios.com/author/admin33.html
http://promotordesitios.com/category/contenidos.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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