Wordpress is important because it is a content management system that allows you to easily build, maintain and customize your site. It's not that hard to install the software, and can be done in less than five minutes.
Download it from
http://www.wordpress.org, and follow the instructions.
http://codex.wordpress.org/Installin...Minute_Install
If you need any help, email me at lunaticpics[at]yahoo[dot]com