Filtered ranking
Best Free Antivirus Software in 2026
5 of the 7 antivirus software ranked on listme.name match: they can be used without paying (a free plan or free version). The order uses the same scores as the full ranking.
The ranking
- 1
Bitdefender
A free Antivirus version and paid suites that cover five devices per account, with VPN and identity tools bundled. Its many product tiers make the right plan harder to pick.
Best for Multi-device protection with a free starter
WindowsmacOSAndroidiOSFree plan, paid upgrades
- 2
Microsoft Defender Antivirus
Built into Windows Security at no extra cost and needs no setup. It covers Windows only, and tools such as a VPN come from third-party suites like the ones in this list.
Best for Windows PCs that need no extra software
WindowsFree
- 3
Malwarebytes
A free malware scanner and device cleaners, with paid Premium Security for ongoing protection, a VPN and a browser guard. It covers PCs, Macs, Android and iPhone with a 60-day money-back guarantee.
Best for Free malware scans and paid ongoing protection
WindowsmacOSAndroidiOSFree plan, paid upgrades
- 4
Avira
Free Avira Free Security for Windows, with paid Prime plans that include Prime Mobile apps for iOS and Android. The free download is listed for Windows only.
Best for Free Windows antivirus with paid mobile plans
WindowsmacOSAndroidiOSFree plan, paid upgrades
- 5
ClamAV
An open-source GPL-2.0 antivirus engine for Windows, macOS and Linux, suited to administrators, mail gateways and developers. It has no interface of its own and is not a consumer app.
Best for Open-source scanning for servers and mail
WindowsmacOSLinuxFree and open sourceOpen source
At a glance
| Product | Score | Price | Platforms | Free version | Extra tools |
|---|---|---|---|---|---|
 Bitdefender | 90.5 | Free plan, paid upgrades | WindowsmacOSAndroidiOS | Yes | VPN, identity protection, scam tools |
 Microsoft Defender Antivirus | 89.0 | Free | Windows | Yes | Personal subscription for other devices |
 Malwarebytes | 87.0 | Free plan, paid upgrades | WindowsmacOSAndroidiOS | Yes | VPN, browser guard, cleaners |
 Avira | 80.0 | Free plan, paid upgrades | WindowsmacOSAndroidiOS | Yes | Paid Prime plans |
| ClamAV | 78.5 | Free and open source | WindowsmacOSLinux | Yes | None; engine only |