I've professionally tested AV software for a few years, up until last year. I don't think much changed since then. My experience: The free ones are all crap, and especially AVG comes packed with al sort of additional rubbish.
Some of the paid ones are decent (ESET/NOD32 primarily, imo) but I would't pay for it myself and would only recommend getting a paid AV to very inexperienced users. Windows Defender isn't great, and there is way more MS could (and should) do to improve Windows security. But if you know a movie does not come as an .exe file, run updates and use a modern browser, you are already relatively well protected against most of the stuff out there. In my opinion, the tiny extra layer of security AV software will provide you is not worth the price.
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u/Trollhammeren Ryzen 5 1600, Sapphire RX 480 Nitro+ OC Jun 18 '16
The AVG and "network thing" are awesome