It mostly depends on the way you use your computer. If you just visit some trusted resources and work with offline documents the possibilities of built-in Microsoft Defender would be almost enough for you.
At the same time, if you conduct active web surfing or visit unknown sources, it would be better to have something more powerful. Another point that if you store important data or information you would need improved level of protection.
Most of the examples of antivirus software provide user with basic set, which is similar in most of the cases plus additional tools, so it is important to pay attention to the details and choose those which would fit best for your particular needs. There are huge number of compatisons of antivirus software within the web, so you could easily find information on the software you are interested in. As from my point of view, the most detailed could be found
here. I`d like that they have comparison on main points.
Due to my personal needs I use free version of Avast, and it suits for my requirements. Some time ago I`ve used NOD32 and Kaspersky (it was my first one), both of them also were comfortable in use and I`ve found any substancial difference between their features.
