.. include:: /Includes.rst.txt .. _installation: ============ Installation ============ This extension is part of the TYPO3 Core. .. contents:: Table of contents :local: Installation with Composer ========================== Check whether you are already using the extension with: .. code-block:: bash composer show | grep rte This should either give you no result or something similar to: .. code-block:: none typo3/cms-rte-ckeditor v12.4.11 If it is not installed yet, use the ``composer require`` command to install the extension: .. code-block:: bash composer require typo3/cms-rte-ckeditor The given version depends on the version of the TYPO3 Core you are using. Installation without Composer ============================= In an installation without Composer, the extension is already shipped but might not be activated yet. Activate it as follows: #. In the backend, navigate to the :guilabel:`Admin Tools > Extensions` module. #. Click the :guilabel:`Activate` icon for the RTE CKEditor extension. .. figure:: /Images/InstallActivate.png :class: with-border :alt: Extension manager showing RTE CKEditor extension Extension manager showing RTE CKEditor extension