Install the XBMC applications for use on the AppleTV.
Navigate to the Maintenance --> Manage Plugins menu and select the XBMC item. Restart the AppleTV when prompted.
Note: If XBMC already appears in the main menu this step is not required.
Update XBMC to the latest version
Before launching XBMC, it must be updated to the latest version. This can easily be done through the AppleTV menu.
1. Navigate to the XBMC menu
2. Select 'Downloads'
3. Select the XBMC listing.
4. The latest version will be downloaded and installed.
To start XBMC simply select it from the XBMC menu.