McAfee AntiVirus 2019 is excellent malware protection, but it's very basic.

[Windows Central]

Stops malware with perfect accuracy without causing slowdown.
In the past, McAfee has gotten some slack for being a real resource guzzler and creating a lot of computer slowdown despite doing a decent job of stopping malware infections. But over the last couple of years, McAfee has really focused on refining its programs and optimizing them for peak performance without the lag. McAfee AntiVirus Plus didn't cause any noticeable slowdown during our in-house tests and was one of the only programs to earn a perfect score for malware protection from both us and other internet security testing labs.

Full story from the WindowsCentral blog...