Getting Started System Requirements Estimated reading: 1 minute 113 views Contributors To use Charles you need to have a WordPress 4.0 (or higher version) site with PHP 5.4 or more running on your hosting server. If you’ve already installed WordPress on your server and your site is up, that’s great. For help regarding WordPress installation, please see this WordPress Codex link. Some more resources from WordPress Codex: First Steps With WordPress FAQ New To WordPress Getting Started - Previous Theme Installation