XBMC supports plugins, which can enhance the media center experience by providing access to additional content as well as skins and new features. For example, the BBC iPlayer plugin allows you to watch on demand BBC content as well as a selection of live BBC channels.
Some add-ons are available for installation from XBMC itself without any manual downloading. These are considerably easier to install than other add-ons.
The following steps will help you to install an add-on via XBMC:
Go to System | Settings | Add-ons.
Select Get Add-ons.
Pick XBMC.org Add-ons.
There are now many different types of add-ons available for selection. To install one, select the add-on and click on Install as shown in the following screenshot:
The download progress will be shown next to the name of the add-on in the list.
The add-on will now be installed on your system. If it was a video plugin, it should be visible within Videos. Similarly, music plugins...