Zachary M Sosa

Best Free Antivirus 2025 Windows. Many people swear by windows defender, but others want different protection. Will the best free antivirus really keep you protected from threats?

In test after test, avast antivirus for windows performed well for malware detection, with options ranging from avast free antivirus software to avast premium security. Bitdefender antivirus free is a contender for the best free windows antivirus in 2025.