Retired Documentation: You are using the documentation for version 1.7.3 which was retired in 2013. Go here for the latest version documentation or check here for your available upgrades to ExpressionEngine 3.
Upgrading from ExpressionEngine Core to Full Version
This page contains instructions for updating from the ExpressionEngine Core to the full, purchased version.
Important: If you are upgrading from a Core version that is older than the current full version please instead use the standard update instructions after performing the instructions below.
The first step is to download the full version of ExpressionEngine software. Once you have downloaded it, Unzip the software to your local computer.
Replace the following folders on your server with the new versions you just downloaded:
Important: If you have installed any third party Plugins, Modules, or Extensions, then you should download those files from your server first and reupload them after updating the core ExpressionEngine files. Language files for Modules and Extensions will be located in system/language/.
Be sure that you upload all files in ASCII format (also known as "text" format).