As far as I'm aware the older version will automatically be removed when you install Norton 360 2013, but your personal data will be retained.
I'll try to get clarification on this point direct from Norton, please bear with me for a day or so.
The Evil Within 2 review-in-progress
InVision Studio takes on Adobe XD and Sketch
iPhone X news: Release date, price, new features & specs
Comment transformer un iPhone en borne Wi-Fi ?