Web UI installation help

Wiki ( http://wiki.serviio.org/doku.php?id=phpwebui ) installation seems to be incomplete. can someone help me the steps on making the WEB ui work?
after i download the latest version v1.4, extract the files inside /var/www
and then whats next?
after i download the latest version v1.4, extract the files inside /var/www
and then whats next?