The DEMO version only includes 4 pages:
http://sserltd.co.uk
http://sserltd.co.uk/cgi-bin/ss000001_ACTION-LOGIN.html
http://sserltd.co.uk/cgi-bin/wl000001_ACTION-SHOWFORM.html
http://sserltd.co.uk/cgi-bin/ca000001_ACTION-SHOWCART.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