6.4.4.4.2. System Set Manager ⇒ Packages ⇒ Install —

A list of channels from which you may retrieve packages. This list includes all channels to which systems in the set are subscribed; a package is installed on a system only if the system is subscribed to the channel from which the package originates. Click on the channel name and select the packages from the list. Then click the Install Packages button.