# * Install the <code>REL1_31</code> branch of the [https://www.mediawiki.org/wiki/Extension:Math Math] extension to the <code>extensions</code> directory# Change to <syntaxhighlight lang="bash">sudo git clone -b REL1_31 --single-branch --depth 1 https://gerrit.wikimedia.org/r/mediawiki/extensions/Math</syntaxhighlight>* Enable the extension in <code>originLocalSettings.php</REL1_31code><syntaxhighlight lang="php">wfLoadExtension('Math');</codesyntaxhighlight> branch# * Run the update script: <codesyntaxhighlight lang="bash">sudo php maintenance/update.php</codesyntaxhighlight>