Wikipedia:Igloo/setup

Requirements
igloo has the following operating requirements:
 * Mozilla Firefox 3+, Google Chrome and Safari (igloo doesn't work with Internet Explorer or Opera)
 * Full JavaScript-enabled — JavaScript limitations may prevent it from running correctly
 * Rollback privileges (visit Requests for permissions to get this)
 * A fast internet connection

Installation
igloo is designed for, and compatible with, the monobook and vector skins — other skins are not guaranteed to work and your success may vary.
 * Add  importScript('Wikipedia:Igloo/gloo.js'); // Igloo  to your skin.js page
 * Clear your browser cache. Bypassing the cache is occasionally ineffective, and may result in the igloo modules failing to communicate.
 * Be sure to add exceptions to any script blocking add-ons such as NoScript.
 * Reload this page, and click 'launch igloo'.