If you suspect an infection that built-in tools missed, these third-party options are highly rated:
Offers one of the best detection rates and includes real-time protection, which is rare for a free version. free virus scan and removal
Widely considered the "gold standard" for removing active infections, it is designed to clean up malware that other antivirus programs might miss. If you suspect an infection that built-in tools
Apple’s built-in system automatically detects and blocks known malware. 2. Top Recommended Free Third-Party Tools (2026) Most modern computers come with pre-installed security that
Built into Windows 10 and 11, it provides real-time protection and automated scans. You can run a "Quick scan," "Full scan," or "Offline scan" (which restarts your PC to scan before the OS loads) through the Windows Security settings .
Most modern computers come with pre-installed security that is sufficient for many users.