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.
What is ransomware and how do I protect my PC from WannaCry?
What I learned from my mentor, Oscar-winning VFX supervisor Phil Tippett
Siri vs Google Assistant
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