"Joomla is the world's most popular open source CMS (content management system). With 2.7 percent of the Web running on Joomla, the software is used by individuals, small & medium-sized businesses, and large organizations worldwide to easily create & build a variety of websites & web-enabled applications."
- Click to Download Plugin
- Go to Extentions->Extention Manager, under "Upload Package File" click on "Choose File" and find the plugin you've just downloaded
- Enter your HelpOnClick login information and hit "Connect"
- That's it!