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  1. microsoft.com
    https://www.microsoft.com/en-us/windows/comprehensive-security

    Windows Security: Defender Antivirus, SmartScreen, and More

  2. microsoft.com
    https://www.microsoft.com/en-us/download/details.aspx?id=5201

    Download Microsoft Security Essentials from Official Microsoft …

  3. microsoft.com
    https://apps.microsoft.com/detail/9p6pmztm93lr

    Microsoft Defender - Free download and install on Windows

  4. microsoft.com
    https://www.microsoft.com/en-us/microsoft-365/microsoft-defender-f…

    Microsoft Defender for Individuals | Microsoft 365

  5. microsoft.com
    https://support.microsoft.com/en-us/topic/installing-microsoft-defende…

    Installing Microsoft Defender - Microsoft Support

  6. microsoft.com
    https://support.microsoft.com/en-us/windows/protect-my-pc-from-viru…

    Protect my PC from viruses - Microsoft Support

  7. microsoft.com
    https://support.microsoft.com/en-US/windows-antivirus-software-prov…

    Consumer antivirus software providers for Windows - Microsoft …

  8. microsoft.com
    https://support.microsoft.com/en-us/windows/stay-protected-with-win…

    Stay protected with Windows Security - Microsoft Support

  9. microsoft.com
    https://support.microsoft.com/en-us/windows/microsoft-security-esse…

    Microsoft Security Essentials Product Information

  10. microsoft.com
    https://www.microsoft.com/en-us/security/business/endpoint-security…

    Microsoft Defender for Endpoint | Microsoft Security