Best Windows Defender Alternatives
The top-ranked Windows Defender alternative is Bitdefender (Freemium).
Windows Defender (Microsoft Defender) is the antivirus and security suite built into Windows. Users seek alternatives for stronger third-party protection, extra features like VPNs and password managers, or better independent detection scores.
1Top-rated antivirus with strong malware protection and low system impact.
2Antivirus and internet security suite with high detection rates.
3Anti-malware software specializing in removing threats and PUPs.
Norton 360
SubscriptionComprehensive security suite with antivirus, VPN, and dark web monitoring.
ESET NOD32
SubscriptionLightweight antivirus with fast, effective malware detection.
Popular free antivirus with real-time protection and extra tools.
AVG AntiVirus
FreemiumFree and paid antivirus offering real-time threat protection.
Avira
FreemiumAntivirus and security suite with a capable free tier.
McAfee
SubscriptionSecurity suite with antivirus, VPN, and identity protection.
Trend Micro
SubscriptionAntivirus and internet security with web threat protection.
F-Secure
SubscriptionSecurity suite offering antivirus, VPN, and privacy tools.
Sophos Home
FreemiumBusiness-grade security for home users with web protection.
Windows Defender alternatives: FAQ
What is the best alternative to Windows Defender?
Bitdefender is ranked first on this list (Freemium). The ranking combines our base score with readers' votes, so it can change.
Which Windows Defender alternatives work on Mac?
Bitdefender, Kaspersky, Malwarebytes and Norton 360 run on macOS.
Which Windows Defender alternatives work on Linux?
ESET NOD32 run on Linux.
Are there Windows Defender alternatives for Android?
Yes: Bitdefender, Kaspersky, Malwarebytes and Norton 360 have Android apps.
Know a Windows Defender alternative we missed? Suggest it — we review submissions before they go live.