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  1. www.wikihow.com › Turn-On-Windows-DefenderHow to Turn on Windows Defender: Easy Guide with Fixes - wikiHow

    Dec 11, 2023 · Turning on Defender in Windows Security is easy, but sometimes other programs can stop it from running. This wikiHow guide will show you how to turn on Microsoft Defender on your Windows 10 or 11 PC and help you troubleshoot errors along the way.

  2. support.microsoft.com › en-us › windowsTurn Microsoft Defender Firewall on or off

    Learn how to enable or disable Microsoft Defender Firewall on Windows 11 or Windows 10. Find out why it's important to have it on and how to troubleshoot any issues.

  3. support.microsoft.com › en-us › windowsTurn Windows Security on or off - Microsoft Support

    Learn how to use Windows Security, the antivirus protection that comes installed with Windows 10, or uninstall it if you prefer another security app. Windows Security is also known as Windows Defender Security Center in previous versions of Windows 10.

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  5. itsupport.smu.edu.sg › hc › en-usHow to enable Windows Defender in Windows 10 - IT Services & Help

    How to enable Windows Defender in Windows 10. Microsoft Defender is a component of Microsoft Windows 10 to delivers comprehensive, built-in and ongoing security protections. Its' component includes anti-virus, anti-malware, firewall and more, to keep your personal computer safe.

  6. support.microsoft.com › en-us › windowsStay protected with Windows Security - Microsoft Support

    Windows Security includes Microsoft Defender Antivirus, which provides real-time protection from viruses and other threats. Learn how to run scans, schedule scans, and customize settings for Windows Security features.

  7. www.itpro.com › 26635 › how-to-turn-on-windows-defenderHow to turn on Windows Defender - ITPro

    Jun 1, 2023 · Learn how to enable Windows Defender in Windows 10 and Windows 11, and why you should use it for basic security protection. Follow the simple steps to access the Windows Security app and toggle the settings for virus and threat protection.

  8. www.makeuseof.com › turn-on-microsoft-defenderHow to Turn on Microsoft Defender Antivirus and Enable Real-Time...

    Apr 30, 2021 · Learn how to enable Microsoft Defender Antivirus, the default and free antivirus for Windows 10, and update its virus definitions. Follow the steps to switch on cloud-delivered and real-time protection, and troubleshoot any issues with third-party antivirus.