The DEMO version only includes 4 pages:
http://gmbls.com
http://gmbls.com/assets/html/like_iframe__v-c96f30edcf75919c3976e1403422560b_ext_iframe.html
http://gmbls.com/archive.html
http://gmbls.com/image/187122392758.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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