Jul 22, 2015

What’s the best free antivirus software for Windows?

Do any of the free antivirus software choices stand out from the other choices, or are they pretty much all the same?
Avast Free Antivirus, great marketing opportunity, and the program comes with a host of ads, "Go Pro" buttons and website links which try to persuade you to upgrade.
I have always used Avast, but I know there are others out there. I finally bought Avast, cause the free version wasn't working anymore.
There are definitely differences. Some hog system resources (AVG and Kaspersky), some cause other problems with applications (McAfee), some are lightweight but don't do an exceptional job at actually detecting/stopping viruses (Windows Defender).

Of the free options, I used to use AVG but it started to really slow down my PC so I've been using Avira recently. The only thing that I don't like about Avira is that it has a daily nag screen, but it's free so I can't really criticise them for trying to pay the bills. If you want to give it a try: https://www.avira.com/en/avira-free-antivirus

ESET NOD32 is also good, but it's not free except for the trial.
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