If you want an extra layer or a different interface, these are the most highly-rated free versions as of early 2026:
: Best for "set it and forget it." It offers real-time protection with almost no ads or annoying pop-ups. free anti virus
: Recent tests show it catching 100% of major threats. If you want an extra layer or a
: Known for high detection rates and including a basic free VPN. 🔍 Essential "Second Opinion" Tool free anti virus
: Very popular with tons of extra features like a Wi-Fi inspector, though it can be a bit "noisier" with upgrade alerts.
: It’s lightweight and doesn't slow down your system.