The DEMO version only includes 4 pages:
http://sekolahalamminangkabau.org
http://sekolahalamminangkabau.org/tickets-external_eid-48770763667-ref-etckt_ext_iframe.html
http://sekolahalamminangkabau.org/tentang-kami/visi-dan-misi.html
http://sekolahalamminangkabau.org/program/sekolah-lanjutan.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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