The DEMO version only includes 4 pages:
http://inmueblesenred.com
http://inmueblesenred.com/v1/modules_op_modload_name_PostWrap_file_index_page_correo_POSTNUKESID_64b597818386c6d82420be9d880a6be1.html
http://inmueblesenred.com/v1/banners_op_login_POSTNUKESID_64b597818386c6d82420be9d880a6be1.html
http://inmueblesenred.com/v1/user_module_NS-User_op_logout_POSTNUKESID_64b597818386c6d82420be9d880a6be1.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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