The DEMO version only includes 4 pages:
https://it-key.dev
https://it-key.dev/why-self-made-code-is-better.html
https://it-key.dev/uer.html
https://it-key.dev/portfolio.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