Does 360 still exist

I Just bought a new computer which came with a trial version of Norton 'Security.' I already own a multi-computer license to Norton 360, which I'd like to load onto this new computer.

Questions: do I need to uninstall the trial version of 'security' before I install '360'? 

Also, I looked on the Norton web site to see what products are now available, and I didn't even see 360 listed. Is it no longer being offered? (My old computer was running XP; the new one has Win7.