The Opendelight is easy to use for your PHP application development and offers an easy learning curve to build and manage your apps, in a matter of minutes. On this page, you will find a few easy steps to start using the Opendelight. #### Minimum Requirements PHP5 with PHP Data Object (PDO) enabled, with any relational database that is supported by PDO. For more details about PDO, please refer to the [official documentation](http://php.net/manual/en/book.pdo.php). #### Download Download the latest stable release of the Opendelight in the ZIP file from the [website](https://opendelight.org).  #### Installation Installing Opendelight is quite easy and fast. Please follow the instructions below to install the Opendelight - a task of a few minutes. Download the Opendelight ZIP from the Download page and unzip it into any folder or subfolder in your webroot ("webroot" is the parent folder or directory in your PC or server which can be accessed through HTTP). Go to the URL `http://your-domain/folder1/folder2/.../folderN/osf/install`.