Board Thread:Support Requests - Getting Technical/@comment-3146749-20161031203505/@comment-27345308-20161031211931

The page explains it very clearly. If you want to install it on a wiki, use MediaWiki:ImportJS page on that wiki and add the line dev:AjaxRC/code.js If you want to configure it further, add the configuration to MediaWiki:Common.js on that wiki.