What’s the Best Antivirus for Windows 10? (Is Windows Defender Good Enough?)

Windows 10 won’t hassle you to install an antivirus like Windows 7 did. Since Windows 8, Windows now includes a built-in antivirus called Windows Defender (which used to be available separately as Microsoft Security Essentials). But is it really the best for protecting your PC–or even just good enough?
by Whitson Gordon via How-To Geek