Nice write up over at Lifehacker updating best Anti-virus for 2016 based on testing by AV Comparatives and AV-Test.
http://lifehacker.com/5865356/the-best-antivirus-app-for-windows
Free:
1) Avira
Paid:
1) Kaspersky
2) Bitdefender
*Panda did very well too. McAfee, not so much.
Very Good Advice: Learn how to spot a scam and don’t click on everything you see. The more you can spot malicious software before it ends up on your computer, the less your antivirus programs have to clean up.