The DEMO version only includes 10 pages:
http://validthemes.net
http://validthemes.net/site-template/cleanu/index.html
http://validthemes.net/site-template/cleanu/index-2.html
http://validthemes.net/site-template/cleanu/index-3.html
http://validthemes.net/site-template/cleanu/index-4.html
http://validthemes.net/site-template/cleanu/index-5.html
http://validthemes.net/site-template/cleanu/index-op.html
http://validthemes.net/site-template/cleanu/index-op-3.html
http://validthemes.net/site-template/cleanu/index-op-4.html
http://validthemes.net/site-template/cleanu/index-op-5.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://www6.waybackmachinedownloader.com/website-downloader-online/scrape-all-files/ to buy a fully functioning site.
Go back to the index page