Best Free Antivirus 2025 Free. The best free digital security suite is avg antivirus free. Many people swear by windows defender, but others want different protection without having to pay an arm and a leg.
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. Best free antivirus for linux users (open source and best for advanced users).