You can check for updates and apply them directly in the Admin Area using the automatic updater. When you update WHMCS, the system will attempt to delete unused legacy modules. This helps to prevent problems due to older PHP code. WHMCS automatically checks for new updates daily. You can also check for updates to WHMCS manually from within the Admin Area. Before you update your WHMCS installation, we recommend several preparatory steps. You can set a maintenance message to display while you update WHMCS. When you update WHMCS, you can set a temporary path directory to use to stage files. Automatic updates require a writeable temporary path. You can configure the update channel to use for WHMCS updates. This setting determines which update notifications you receive and which versions you can install using the automatic updater. You can update WHMCS to a new version manually using your preferred browser. You can update manually using the installation script on the command line. We only recommend this update method for advanced users. You can use the Automatic Updater feature to update WHMCS from directly within the Admin Area. This is our recommended update method.