== Installation ==

=== Layout: ./mediawiki/extensions/{A,B,C} ===

Go to mediawiki directory and extract the release file:
 tar xjf MediaWikiLanguageExtensionBundle-{{/latest}}.tar.bz2

Your extension variable is
 $EXT = "$IP/extensions";

=== Layout: ./mediawiki/ ./extensions/{A,B,C} ===

Go to common parent directory and extract the release file:
 tar xjf MediaWikiLanguageExtensionBundle-{{/latest}}.tar.bz2

Your extension variables are:
 $EXT = "$IP/../extensions";
 $wgExtensionAssetsPath = "{$wgScriptPath}/../extensions";

=== Add/update your LocalSettings.php ===
Near the end, place the config lines given above followed by this:

<syntaxhighlight lang=php>
require_once( "$EXT/Babel/Babel.php" );

require_once( "$EXT/cldr/cldr.php" );

require_once( "$EXT/CleanChanges/CleanChanges.php" );
$wgCCTrailerFilter = true;
$wgCCUserFilter = false;
$wgDefaultUserOptions['usenewrc'] = 1;

require_once( "$EXT/LocalisationUpdate/LocalisationUpdate.php" );
$wgLocalisationUpdateDirectory = "$IP/cache";

require_once( "$EXT/Translate/Translate.php" );
$wgGroupPermissions['user']['translate'] = true;
$wgGroupPermissions['user']['translate-messagereview'] = true;
$wgGroupPermissions['user']['translate-groupreview'] = true;
$wgGroupPermissions['user']['translate-import'] = true;
$wgGroupPermissions['sysop']['pagetranslation'] = true;
$wgGroupPermissions['sysop']['translate-manage'] = true;
$wgTranslateDocumentationLanguageCode = 'qqq';

require_once( "$EXT/UniversalLanguageSelector/UniversalLanguageSelector.php" );
</syntaxhighlight>

=== Update database tables ===
==== Commandline ====
In the directory where your LocalSettings.php is located, run the following command:
 php maintenance/update.php

==== Webbrowser ====
Go to example.com/mediawiki/mw-config/ by using your domain and path and rerun install.

=== Configuring LocalisationUpdate ===
If you are on unix like system, you should add LocalisationUpdate to crontab:
 crontab -e
 # Add the following line
 @daily php /path/to/your/wiki/extensions/LocalisationUpdate/update.php --quiet
