The DEMO version only includes 4 pages:
http://art-wallpaper.net
http://art-wallpaper.net/Paintings-HD-Wallpapers/index.html
http://art-wallpaper.net/StarryNight1889/index.html
http://art-wallpaper.net/Gustav-Klimt-Wallpaper-HD/index.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