Is Windows Defender Good Enough By Itself?

What%u2019s the Best Antivirus for Windows 10? (Is Windows Defender Good Enough?). You don't need a commercial anti virus program. The built in to Windows program, Windows Defender, is as good an anti virus program as is available, at any price. Viruses, however, are not the only threat you face. Malware, ransomware, and other nasty things are out to get you. For that, you should install Malwarebytes, the best software to protect the other half of your use. It isn't expensive, and you can set it and forget it. Be safe out there.