avg free
There is no better
Eset nod32 .
That's not free, though. Well, you get a 30 day free trial, and after the time is up you no longer get updates.
It's what I am using. I like it, and I'll pay the $39 in a week or so.
if you have comcast they give you free mcafee it works better than avg
if you have comcast they give you free mcafee it works better than avg