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Microsoft Defender Antivirus pricing

Freemium#14 of 117 in Antivirus Software

Microsoft Defender Antivirus publishes 4 plans on microsoft.com — prices checked 20 Sep 2026.

7.9/10Editor score
Visit Microsoft
Microsoft Defender Antivirus7.9 Visit Microsoft

Microsoft Defender Antivirus pricing at a glance

Plans Free planFreemium A usable free plan; paid tiers unlock the limits below. Prices checked 20 Sep 2026.
See plans on microsoft.com

Microsoft Defender Antivirus plans & pricing

PlanPriceKey limits
Microsoft Defender Antivirus built into WindowsNot checked yet
  • Real-time, always-on antivirus protection
  • Virus and malware protection
  • Windows Security integration
Microsoft 365 PersonalNot checked yet
  • 1 person
  • Up to 5 devices simultaneously
  • 1 TB cloud storage
Microsoft 365 FamilyNot checked yet
  • 1 to 6 people
  • Up to 5 devices per person
  • Up to 6 TB cloud storage
Microsoft 365 PremiumNot checked yet
  • 1 to 6 people
  • Up to 5 devices per person
  • Up to 6 TB cloud storage

Prices as published by the vendor on microsoft.com, checked 20 Sep 2026; taxes and regional pricing may differ. We do not change a plan's price or its limits — this table is what the vendor's own pricing page said on that date.

What the price includes

  • Built for
    Solo, Small business, Mid-market, Enterprise
  • Integrations
    2 integrations: Windows Security, OneDrive
  • Free plan
    Yes
  • Protection scope
    Antivirus

Our full Microsoft Defender Antivirus verdict, fact sheet and score →

Prices checked by iTechGuides Editors · Editorial team · Updated Oct 2026

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