Best Free Antivirus 2025 Windows 11. Will the best free antivirus really keep you protected from threats? Windows defender, bitdefender antivirus free edition, sophos home, avg antivirus free, malwarebytes free, norton antivirus plus, mcafee antivirus plus

However, premium versions often provide additional features like advanced. My pick for the best free antivirus software overall is avg antivirus free, which scans for viruses and malware, quarantines unwanted programs, and alerts you to any.