The DEMO version only includes 4 pages:
http://revistainternacionalcienciasjuridicas.org
http://revistainternacionalcienciasjuridicas.org/portada.html
http://revistainternacionalcienciasjuridicas.org/category/eicj-ano-ix-numero-15.html
http://revistainternacionalcienciasjuridicas.org/category/ricj-ano-viii-numero-14-agosto-2021-diciembre-2021.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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