The DEMO version only includes 4 pages:
https://cheapflightssale.co.uk
https://cheapflightssale.co.uk/destinations.html
https://cheapflightssale.co.uk/airports.html
https://cheapflightssale.co.uk/travel-news.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.waybackmachinedownloads.com to buy a fully functioning site.
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