The DEMO version only includes 4 pages:
http://calcularhoras.com
http://calcularhoras.com/horas-trabajo.html
http://calcularhoras.com/calculadora-tiempo-entre-dos-fechas.html
http://calcularhoras.com/calculadora-tiempo.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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