Linux/Unix/Windows OS (Linux or Unix is recommended)
PHP 5.3 or higher
Apache Server 2.0.0 or higher / NGINX server
MySQL 5.0.0 or higher
PHP GD Library 2.x
Cron Jobs
Around 100 Mb free space + space for media data
Apache Rewrite Module (Recommended)
cURL Library (Recommended)
PHP MB String module (Recommended)

Every thing its ok!