Best Free Antivirus 2024 Windows 11 Free Antivirus. Avast one basic and avg antivirus free have earned our editors’ choice award, but since they’re all free. The best deal in antivirus and malware control is microsoft’s free defender.

It not only comes preinstalled on every windows system but it includes extras, like a password. Avg is best known for its excellent free antivirus software, but there’s good reason to upgrade.