The DEMO version only includes 4 pages:
http://pulaumas.co.id
http://pulaumas.co.id/index_option-com_content-view-article-id-80-Itemid-114.html
http://pulaumas.co.id/index_option-com_content-view-article-id-82-Itemid-115.html
http://pulaumas.co.id/index_option-com_content-view-article-id-88-Itemid-116.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