Joomla is an award-winning content management system (CMS), which enables you to build Web sites and powerful online applications. Best of all, Joomla is an open source solution that is freely available to everyone. Here’s how to install Joomla 3.0 with step-by-step installation tutorial.
The following requirement changes are in effect for Joomla 3.0:
The minimum version of PHP required is PHP 5.3.1
PHP’s register_globals must be turned off
PHP’s magic_quotes_gpc must be disabled