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Installing / Upgrading / Configuration Note: the last stable release doesn't contain all bug fixes to the stable branch: you can try
its last snapshot, but almost surely not all the fixes for the known bugs in the stable release have yet been included in such snapshot.
free software licensed under version 2 of the GNU General Public License. Because MediaWiki is licensed free of charge, there is no warranty, to the extent permitted by applicable law. Read the full text of the GNU GPL version 2 for details.
MediaWiki requires PHP 5.5.9+ and either
MySQL 5.0.2+, MariaDB, or one of the other three possible stores. For more information, please read the pages on system requirements and compatibility.
To MediaWiki ≤ 1.22.x, 1.24.x, 1.25.x and 1.26.x users: Support of these branches was discontinued. Please update to a newer version of MediaWiki: