TYPO3 v10 has reached end-of-life as of April 30th 2023 and is no longer being maintained. Use the version switcher on the top left of this page to select documentation for a supported version of TYPO3.
Need more time before upgrading? You can purchase Extended Long Term Support (ELTS) for TYPO3 v10 here: TYPO3 ELTS.
Installation and Upgrade Guide¶
This document is published under the Open Publication License.
This document explains how to install and upgrade TYPO3 and migrate from Legacy to Composer mode.