The best antivirus software for 2026 is not a single universal product, but for most Windows users the shortlist begins with Norton, Bitdefender, Avast, ESET, McAfee, and Microsoft Defender, depending on whether the priority is paid suite features, free protection, lab scores, or enterprise-style control. The important shift is that “antivirus” is now a misleadingly narrow label for products that are really anti-fraud, anti-ransomware, identity-monitoring, and browser-defense platforms. The...