* Download a released Fx15012 build from here: http://releases.mozilla.org/pub/mozilla.org/firefox/releases/1.5.0.12/
* Install it, and then edit the update channel preference in the channel-prefs.js file found in C:/Program Files/Mozilla Firefox/defaults/pref/channel-prefs.js* Restar * <pre>pref("app.update.channel", "releasetest");</pre>* Restart the browser and select Check for Updates from the Help menu.
'''Things to Check:'''