Avast
FreemiumPopular free antivirus with paid upgrades.
Best for: Home users wanting free protection.
- Malware protection
- Wi-Fi inspector
- Web shield
- Free edition
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.
7 tools compared. Top picks first, then alphabetical. No paid placements.
Popular free antivirus with paid upgrades.
Best for: Home users wanting free protection.
Highly rated antivirus with light system impact.
Best for: Users who want top protection without slowing their computer.
Lightweight antivirus and security for homes and businesses.
Best for: Users and businesses wanting efficient, low-impact protection.
Malware removal and real-time protection.
Best for: Cleaning infected computers and adding a second layer of protection.
Security suite with antivirus, VPN and identity protection.
Best for: Families protecting many devices.
Free antivirus built into Windows.
Best for: Windows users who want solid free protection with no extra software.
Security suite with antivirus, VPN, password manager and backup.
Best for: Households that want an all-in-one security bundle.