What are Joomla extensions?
An extension is a software package that extends your Joomla! installation in some way. A small selection of extensions is included with the default Joomla! installation but many more are available from the Joomla! Extensions Directory.
Are Joomla extensions free?
Our plans vary from free to premium. Try to add any desired plugins, using our interactive demo and find out how much it will be applicable in terms of optimization of your service website.
How do I know Joomla version?
Go to System → System Information: this screen contains all system information you may need, the Joomla! Version currently running, and also PHP, database versions and so on.