The DEMO version only includes 4 pages:
http://hiroba-tech.net
http://hiroba-tech.net/tabid/37/language/en-US/Default.html
http://hiroba-tech.net/tabid/37/language/ja-JP/Default.html
http://hiroba-tech.net/Default.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.
Go back to the index page