The DEMO version only includes 4 pages:
http://stairnaheireann.net
http://stairnaheireann.net/files/heir08-20_ext_iframe_4x7amvebbzkxdcartszuym.html
http://stairnaheireann.net/likes/master_ver-202153_ext_iframe.html
http://stairnaheireann.net/about.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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