:navigation-title: Extensions .. include:: /Includes.rst.txt .. _admin-tools-extensions: .. _system-extensions: =================== Extensions (System) =================== .. versionchanged:: 14.0 This module has been moved from :guilabel:`Admin tools` to :guilabel:`System` see `Feature: #107628 - Improved backend module naming and structure `_. Only available if :composer:`typo3/cms-extensionmanager` is installed. The backend module :guilabel:`System > Extensions`, also called "Extension Manager", can be used in Composer-based extensions to view which TYPO3 extensions are installed. In Classic mode installation (not in the scope of this guide) they can also be used to install and activate extensions: :ref:`Installing an Extension using the Extension Manager `.