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MediaWiki Flower
Fundamental Introduction to MediaWiki

Contents


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Licence

MediaWiki is 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.

System Requirements

MediaWiki requires PHP 5.3.2+ and either MySQL 5.0.2+, PostgreSQL, or SQLite. For more information, please read the system requirements and compatibility.

Note: To get a suitable version of PHP on CentOS 5.6, install the php53 package instead of php.


Other downloads

Download through Git/command line

For downloading MediaWiki from Git or from the command line, see Download from Git.

Notes

  • PHP 5 support has been required since MediaWiki 1.7 – if you are using PHP 4, you should upgrade now! It's no longer supported by the PHP group, and has lots of bugs. Many shared hosting providers offer both PHP 4 and PHP 5, running simultaneously. If you cannot upgrade, you should use MediaWiki 1.6.12 (download). Note that this version is no longer supported.
  • MySQL 4 support has been required since MediaWiki 1.6 – if you are using an older version of MySQL and cannot upgrade, you should use MediaWiki 1.5.8 (download). Note that this version is no longer supported, but should still support PHP 4 as well.
  • MySQL 5 support is required since MediaWiki 1.19 – if you are using an older version of MySQL and cannot upgrade, you should use MediaWiki 1.18.6 (download). Note that this version is no longer supported.

What next?

Subscribe to our release announcements mailing list

Stay up to date with releases, and keep your server secure!

Legacy release

If your MediaWiki installation is heavily modified, it may be difficult to incorporate the latest official changes/updates to MediaWiki. To support such users, we maintain old branches of our code for up to a year.

Development releases

If you want to run on the latest development (i.e. alpha) version, you either can download from Git or the Nightlies for the latest builds.

git clone https://gerrit.wikimedia.org/r/p/mediawiki/core.git

You can view the latest source code in your browser.

Old releases

You can find tar balls (*.tar.gz) of all versions of MediaWiki back to February 2007 in the MediaWiki download archives

To browse, including even older versions, see the tags, of the Git repository.

Installation assistance

See also


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