The DEMO version only includes 10 pages:
http://icehub-ng.com
http://icehub-ng.com/about.html
http://icehub-ng.com/blog.html
http://icehub-ng.com/project.html
http://icehub-ng.com/essential.html
http://icehub-ng.com/advanced.html
http://icehub-ng.com/skit.html
http://icehub-ng.com/exibition.html
http://icehub-ng.com/software.html
http://icehub-ng.com/it.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.
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