Best Free Antivirus 2024 Windows 11. Promising “the world’s best firewall,” zonealarm free antivirus is a combination antivirus and firewall tool based on kaspersky lab's. On top of stellar malware protection, avast comes with a vpn, identity theft monitoring, and parental controls.
Avast’s antivirus scans for security and performance issues and helps you to fix them instantly. Difference isn’t big enough to make an upgrade essential if you’re.