When Studio 12 is registered, you are provided with Dream Glow effect for free. The Dream Glow effect is a video plugin effect.
When Studio 14 is registered, you are provided with Studio Title Pack V1 for free. This pack is a set of title overlay templates which use a combination of text and graphics to enhance your projects.
Once you register Studio 14 you will be sent an email to the same email address that you registered with. The email contains a notification that Studio Title Pack V1 has been activated. You can locate the titles in Studio by going to the Show Titles Tab. Then in the pull-down window select Studio Title Pack V1 from the “Free with registration” section.
Also please see :
What is the free content pack given for registering Studio 15?
What is the free content pack given for registering Avid Studio?