Best Free Antivirus 2024 Windows 10 Free Antivirus. All the features are visible, but many are locked away. Norton’s performance isn’t perfect, but it’s about as good for online protection, which is where it counts.
Promising “the world’s best firewall,” zonealarm free antivirus is a combination antivirus and firewall tool based on kaspersky lab’s highly regarded malware detection engine. Like avast’s freebie, avira free security is a free version of a full security suite.