Sounds enough to me
Remember if you have to many virus scanners on your system then they will start to conflict and you will end up venerable on unsecured.
all you need is anti virus program either Avast, Notion or Kaspasky or something similar there is about 10 to choose from
all about as good as each other
Mal-ware Bytes professional and zone alarm firewall
and that is all you are well over doing it
still each to there own

remember you can only protect yourself to a degree viruses and other mail-ware can get though anti virus systems they are out smarting them every day just be cautious what you download and weather or not you trust the source it is coming from
I am a developer and remove viruses all the time it is easier than you think to write code that is malicious and buy pass the anti virus systems as a safe file I have done extent research and programming and found that you can write something bad and the anti virus system will say it is safe :(
so caution is the answer not every single av available
Kind Regards
Bradley