You can take the time to learn a whole lot about them and undoubtedly some of you will. But, whatever you do, protect your computer and keep your software up to date with the latest virus fixes. The good thing is that it is easy to do and it works. Most importantly, download and install the latest anti-virus software. There are differences between the different software packages, but they operate essentially the same.
Most people make a decision based on personal preferences and the recommendation of friends.
We do not think you can go wrong with either of the two leading programs. Norton AntiVirus McAfee AntiVirus McAfee even has an online version. There are two different ways to keep your anti-virus package up to date. Both do the same thing and the expected results are essentially the same. Both automatically check for new virus fixes from their respective web sites when you are online.