The DEMO version only includes 4 pages:
http://wordpress-helferlein.de
http://wordpress-helferlein.de/autoptimize-optimal-einrichten.html
http://wordpress-helferlein.de/wp-optimize-maximales-tempo-fuer-deine-wordpress-webseite.html
http://wordpress-helferlein.de/simple-custom-css-and-js-der-individuelle-touch-fuer-wordpress.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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