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Language packs provide additional languages for the interface of Firefox. Learn how to get language packs and change the interface language.

Language packs are add-ons that enable you to have one or mpore additional languages available for the user interface of Firefox. This article describes how to: * Find, install and manage language packs in Firefox. * Change the selected language for the interface of Firefox. {note}Firefox is available in many different single languages, and you may select a a version in your chosen language from [http://www.mozilla.org/firefox/all/ www.mozilla.org/firefox/all].{/note} If you are searching for information on how to control the preferred languages for websites that offer its contents in multiple languages, see [[Settings for fonts, languages, and pop-ups#w_languages| languages]]. __TOC__ = How I get language packs for Firefox? = # Visit the [https://addons.mozilla.org/firefox/language-tools/ Mozilla Dictionaries & Language Packs page]. <!-- Only for Firefox 20 and later releases --> # Find in the list the language you want to add, and click the '''Install Language Pack''' link next to it. The main page of that language pack will be open. # Click the {button Add to Firefox} button to install it. Firefox will download the language pack and ask you to confirm the installation. {note}'''Note:''' If you are unable to install any language pack, see the article [[Unable to install add-ons or extensions]]. If you are using a pre-release build of Firefox, you need to browse the [http://download.cdn.mozilla.net/pub/mozilla.org/firefox/ Mozilla file servers] for to find compatible language packs, even though these are only recommended for testing purposes.{/note} = How to manage language packs = To see what language packs you have installed: # [[T:Open Add-ons|type=Languages]] If you don't have a {menu Languages} panel, don't worry. It's hidden if you don't have language packs installed. The same goes for a few other uncommon types of add-ons. == How to uninstall language packs == If you want to remove a language pack, see [[Disable or remove Add-ons]]. = How to change the language of the user interface = Unlike [[Use themes to change the look of Firefox|themes]], enabling a language pack in the Add-ons Manager only does the languages it provides ''available''. To change the preferred language for the interface: # [[T:aboutconfig]] # In the '''{for not fx11}Filter{/for}{for fx11}Search{/for}''' field, type '''intl.locale.matchOS'''. # If the {pref intl.locale.matchOS} preference has a value of '''true''', double-click it to toggle its value to '''false'''. # Clear the '''{for not fx11}Filter{/for}{for fx11}Search{/for}''' field, and type '''general.useragent.locale'''. # Double-click the {pref general.useragent.locale} preference, and enter the code of the language you want to use. [http://l10n.mozilla-community.org/webdashboard/ This page] lists most of the language codes used for Mozilla localizations. <!-- We need something better here! --> # [[T:closeFirefox]] When you start Firefox again, you will see the interface in the new specified language.