October 1, 2026

  Licensing Reference

Microsoft Defender Antivirus

Rob Horwitz by
Rob Horwitz

Rob Horwitz analyzes and writes about Microsoft licensing programs and product licensing rules. He also trains organizations on best Microsoft... more

A free antivirus client built into Windows client OSs and into Windows Server 2016 and later; typically requires other products, such as Intune and Microsoft Defender for Endpoint for effective management and analysis capabilities.

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