Norton Subscripton Question

Hi Everyone,

 

I purchased a CD of NIS 2011 back in the late summer of last year.  Anyway... I have 90 + days of subscription remaining and my NIS 2011 has been upgraded (through the daily virus updates) to NIS 2012.

 

Anywho... here's the question, I purchased another CD.. this time for NIS 2012.  How can I add that year's worth of protection (e.g. 365 days) to the 90 + days that I already have?

 

Should I contact customer service... or will running the install from the CD and typing in the activation code automatically update my subscription so that it shows 455 + days???

 

Any assistance you all can provide would be greatly appreciated, thanks.

 

Cricket