Dream-Theme has purchased Revolution Slider and Ultimate Addons extended licenses, and now we are officially allowed to deliver these plugins together with The7 theme.
You do not need to register these plugins, because it is already registered by Dream-Theme. You can disable notices in Theme Options -> Advanced -> Advanced settings -> Plugins notifications.
Follow here to update bundled plugins
To unlock extra addons, premium templates, and dedicated support for the bundled plugin, you need to purchase a separate license and register it. Please read this. If you need to get plugin demo content, please submit a support ticket.