Best antivirus software in 2026
Antivirus software detects and removes malware, blocks dangerous sites and downloads, and often bundles extras such as a VPN or password manager. Windows already includes Microsoft Defender, so paid suites must justify their extras.
- us.norton.com Free trial
Norton 360: Security suite with antivirus, VPN, password manager and backup
Key features: Malware protection, Secure VPN, Password manager, Cloud backup, Dark web monitoring.
- bitdefender.com Freemium
Bitdefender: Highly rated antivirus with light system impact
Key features: Malware protection, Ransomware protection, Web protection, VPN (limited), Free edition.
- malwarebytes.com Freemium
Malwarebytes: Malware removal and real-time protection
Key features: Malware scanning and removal, Real-time protection (paid), Browser guard, Ransomware protection.
- eset.com Free trial
ESET: Lightweight antivirus and security for homes and businesses
Key features: Malware protection, Anti-phishing, Firewall, Banking protection, Business endpoint tools.
- mcafee.com Free trial
McAfee Total Protection: Security suite with antivirus, VPN and identity protection
Key features: Antivirus, Secure VPN, Identity monitoring, Password manager, Scam detection.
- avast.com Freemium
Avast: Popular free antivirus with paid upgrades
Key features: Malware protection, Wi-Fi inspector, Web shield, Free edition, Premium extras.
- microsoft.com Free
Microsoft Defender Antivirus: Free antivirus built into Windows
Key features: Real-time protection, Ransomware protection, SmartScreen, Firewall, Automatic updates.