Bought Norton 2010, how should I remove 2009?

Hello, i just bought Norton 2010 and my question is should i remove 2009 using windows all programs then highlight norton program then delete all or should i  use norton's removal tool  that was installed a year ago for other reasons by a norton tec? Thank You

 

 

[edit: Clarified subject.]

Message Edited by shannons on 01-11-2010 03:12 PM