New to Norton, have questions

I received Norton Internet Security 12 & Utilities as a christmas present, but haven't installed either waiting for my current security to expire, and because I'm worried to take the leap.  So, my question, BEFORE I kill my computer--which I'm very good ad:smileyembarrassed: I need to know do I need to uninstall my current program Kapersky? before I even put the cd in to install Norton Internet Security 2012?

Thanks