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  1. Stay Protected With the Windows Security App - Microsoft Support

    The Windows Security app is a comprehensive security solution integrated into Windows, designed to protect your device and data from various threats.

  2. Windows Security: Defender Antivirus, SmartScreen, and More

    Protect your privacy, identity, and devices with Windows Security. Explore Windows 11 security features like Microsoft Defender Antivirus that help keep you and your PC safe.

  3. Virus and Threat Protection in the Windows Security App

    Learn how to use virus and threat protection options in Windows Security to scan your device for threats and view the results.

  4. Download Windows 11 - microsoft.com

    There are 3 options below for installing or creating Windows 11 media. Check out each one to determine the best option for you. Before installing, check the Windows release information …

  5. Windows Security App Overview - Microsoft Support

    The Windows Security app is a security solution designed to defend against malware, viruses, and other threats, ensuring your PC stays secure. This article provides an overview of the …

  6. Windows 11 Security Features | Microsoft Windows

    Dec 31, 2024 · Experience the enhanced security and peace of mind that comes with Windows 11. With features like Smart App Control and Microsoft Defender antivirus, you can trust your …

  7. Install Windows Updates - Microsoft Support

    Learn how to check for the latest Windows Updates and install them to keep your device running smoothly and securely.

  8. Windows 11 security book - Windows security book introduction

    Windows 11 is secure by design and secure by default, with layers of defense enabled on day one to enhance your protection without the need to first configure settings. This secure-by-design …

  9. Windows 11 security book - Operating System security

    Nov 18, 2024 · Windows 11 is the most secure Windows yet, with strong operating system safeguards to help keep devices, identities, and data safe. Defenses include a trusted boot …

  10. October 28, 2025—KB5067036 (OS Builds 26200.7019 and …

    Oct 28, 2025 · To learn more about differences between security updates, optional non-security preview updates, Out-of-band (OOB) updates, and continuous innovation, see Windows …