This is addon for Envolve Chat. It's an easy to use chat for your web site. You can see demo on http://www.envolve.com Installation: - Copy the "EnvolveChat" folder to xenforo\library (don't change folder name and/or case!) - Go to xenforo admin control panel, Home->addons -> Install addon, choose addon-EnvolveChat.xml and click "Install Add-on". - In admin panel, go to Options -> Envolve Chat Settings , and paste your api key in the first field, change other settings (optional) and Save Note that I'm not a "real" programmer so there may be bugs, performance issues, etc ... you know, use at your own risk.