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MediaWiki is a collaboration and documentation platform brought to you by a vibrant community.
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Photo of participants of the [Wikimedia Hackathon 2024](/wiki/Special:MyLanguage/Wikimedia_Hackathon_2024 "Special:MyLanguage/Wikimedia Hackathon 2024")[](/wiki/Wikimedia_Hackathon_2024 "Wikimedia Hackathon 2024")
The MediaWiki software is used by [tens of thousands of websites](/wiki/Special:MyLanguage/Sites_using_MediaWiki "Special:MyLanguage/Sites using MediaWiki") and [thousands of companies and organisations](/wiki/Special:MyLanguage/MediaWiki_testimonials "Special:MyLanguage/MediaWiki testimonials"). It powers Wikipedia and also this website. MediaWiki helps you collect and organise knowledge and make it available to people. It's powerful, [multilingual](/wiki/Special:MyLanguage/Localisation "Special:MyLanguage/Localisation"), [free and open](https://en.wikipedia.org/wiki/FLOSS "w:FLOSS"), extensible, customisable, reliable, and free of charge. [Find out more](/wiki/Special:MyLanguage/Manual:What_is_MediaWiki%3F "Special:MyLanguage/Manual:What is MediaWiki?") and [if MediaWiki is right for you](/wiki/Special:MyLanguage/Manual:Deciding_whether_to_use_a_wiki_as_your_website_type "Special:MyLanguage/Manual:Deciding whether to use a wiki as your website type").
### Set up and run MediaWiki
* **[Download](/wiki/Special:MyLanguage/Download "Special:MyLanguage/Download")**, [install](/wiki/Special:MyLanguage/Manual:Installing_MediaWiki "Special:MyLanguage/Manual:Installing MediaWiki") and [configure](/wiki/Special:MyLanguage/Manual:System_administration "Special:MyLanguage/Manual:System administration") MediaWiki
* Add functionality by installing [extensions](/wiki/Special:MyLanguage/Manual:Extensions "Special:MyLanguage/Manual:Extensions")
* Problems? See [errors and symptoms](/wiki/Special:MyLanguage/Manual:Common_errors_and_symptoms "Special:MyLanguage/Manual:Common errors and symptoms") and [FAQ](/wiki/Special:MyLanguage/Manual:FAQ "Special:MyLanguage/Manual:FAQ")
* Don't own a server? Find [hosting services](/wiki/Special:MyLanguage/Hosting_services "Special:MyLanguage/Hosting services")
* [Get professional development and consulting](/wiki/Special:MyLanguage/Professional_development_and_consulting "Special:MyLanguage/Professional development and consulting")[](/wiki/Professional_development_and_consulting "Professional development and consulting")
* Join [MediaWiki Stakeholders](/wiki/Special:MyLanguage/MediaWiki_Stakeholders%27_Group "Special:MyLanguage/MediaWiki Stakeholders' Group") user group
### Edit and use MediaWiki
* [Learn how to navigate](/wiki/Special:MyLanguage/Help:Navigation "Special:MyLanguage/Help:Navigation")[](/wiki/Help:Navigation "Help:Navigation")
* **[Learn how to edit a page](/wiki/Special:MyLanguage/Help:Editing_pages "Special:MyLanguage/Help:Editing pages")[](/wiki/Help:Editing_pages "Help:Editing pages")**
* [Learn more about reading, editing, and personal customisation](/wiki/Special:MyLanguage/Help:Contents "Special:MyLanguage/Help:Contents")[](/wiki/Help:Contents "Help:Contents")
### Develop and extend code
* Read the MediaWiki [developer documentation](/wiki/Special:MyLanguage/Developer_hub "Special:MyLanguage/Developer hub")
* Visit the [Wikimedia Developer Portal](https://developer.wikimedia.org)
### Get help and contribute
* Cannot find the answer to a problem with MediaWiki? Ask the [support desk](/wiki/Project:Support_desk "Project:Support desk")!
* [Get involved](/wiki/Special:MyLanguage/How_to_contribute "Special:MyLanguage/How to contribute") as a translator, designer, documentation writer, tester, tech ambassador, or developer
* [Report wrong software behaviour or a feature proposal](/wiki/Special:MyLanguage/How_to_report_a_bug "Special:MyLanguage/How to report a bug")[](/wiki/How_to_report_a_bug "How to report a bug")
### News
2025-05-14 to 2025-05-16
[MediaWiki Users and Developers Conference Spring 2025](/wiki/Special:MyLanguage/MediaWiki_Users_and_Developers_Conference_Spring_2025 "Special:MyLanguage/MediaWiki Users and Developers Conference Spring 2025") [](/wiki/MediaWiki_Users_and_Developers_Conference_Spring_2025 "MediaWiki Users and Developers Conference Spring 2025")in [Sandusky, Ohio](https://en.wikipedia.org/wiki/Sandusky,_Ohio "w:Sandusky, Ohio"), USA at the [NASA Armstrong Test Facility](https://en.wikipedia.org/wiki/Glenn_Research_Center#Neil_A._Armstrong_Test_Facility "w:Glenn Research Center").
2025-02-03
[Maintenance release: 1.42.5](https://lists.wikimedia.org/hyperkitty/list/[email protected]/thread/3PLMZGEX22IKHXRMNO5XU3SCRIO4GZMN/)
2024-12-21
[MediaWiki 1.43.0](https://lists.wikimedia.org/hyperkitty/list/[email protected]/thread/UYZUOQEWN2NL22PU42JW7TF6JO56RWWV/) is now available.
[MediaWiki 1.41.x versions](https://lists.wikimedia.org/hyperkitty/list/[email protected]/thread/5NYC4UZLY3MWQZ6DYJAUQRJG2ZHZFBJ6/) are now end of life.
2024-12-20
[Maintenance release: 1.39.11, 1.41.5 and 1.42.4](https://lists.wikimedia.org/hyperkitty/list/[email protected]/thread/PFTE5RHUERS6KTUGGRZO7XXV5THNJ77E/)
[More news](https://www.mediawiki.org/wiki/Special:MyLanguage/News)
[Languages:](/wiki/Special:MyLanguage/Project:Language_policy "Special:MyLanguage/Project:Language policy")[](/wiki/Project:Language_policy "Project:Language policy")
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