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1. www.microsoft.com › en-us › downloadDownload Microsoft Security Essentials from Official ...

   www.microsoft.com › en-us › download

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   Install Instructions. Back To Top. Microsoft Security Essentials provides real-time protection for your home or small business PC that guards against viruses, spyware, and other malicious software.

2. www.microsoft.com › windows › comprehensive-securityWindows Security: System Guard, Defender Antivirus & More for ...

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   Microsoft Defender Antivirus. A next-generation protection solution that comes with Windows 11, Microsoft Defender Antivirus is real-time, always-on antivirus protection. Microsoft Defender SmartScreen. If a website, application, or download is potentially malicious and could harm your computer, SmartScreen will warn you.

3. www.microsoft.com › en-US › DownloadDownload Microsoft Security Essentials from Official ...

   www.microsoft.com › en-US › Download

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   Microsoft Security Essentials provides real-time protection for your home or small business PC that guards against viruses, spyware, and other malicious software.

4. www.microsoft.com › en-us › microsoft-365Microsoft Defender for Individuals | Microsoft 365

   www.microsoft.com › en-us › microsoft-365

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   Microsoft Defender is available for download with a Microsoft 365 Personal or Family subscription. 8. Download for Windows. Download for Android. Download for iOS. Download for macOS. Defender for Web. Subscribe to Microsoft 365 to get started with Defender for individuals 1.

5. www.pcmag.com › picks › the-best-free-antivirusThe Best Free Antivirus Software for 2024 | PCMag

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   • Avast One Essential. Best for Comprehensive Free Security. 4.5 Outstanding. Avast has been supplying antivirus protection for as long as there's been an antivirus industry.
   • AVG AntiVirus Free. Best for Useful Bonuses. 4.0 Excellent. In 2016, Avast acquired AVG. Now, both products use precisely the same antivirus technology under the hood.
   • Bitdefender Antivirus Free for Windows. Best for No-Frills Protection. 4.0 Excellent. Bitdefender Antivirus Free for Windows offers basic protection that’s precisely the core of Editors’ Choice Bitdefender Antivirus Plus.
   • Avira Free Security. Best for Many Security Components. 3.5 Good. Like Avast’s freebie, Avira Free Security is a free version of a full security suite.

6. support.microsoft.com › en-us › windowsProtect my PC from viruses - Microsoft Support

   support.microsoft.com › en-us › windows

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   Microsoft Defender is free anti-malware software included with Windows, and it's kept updated automatically through Windows Update. There are also anti-malware products made by other companies that you can choose from.

7. People also ask

   Does Windows 10 have antivirus?

   • Windows Security is built-in to Windows and includes an antivirus program called Microsoft Defender Antivirus. (In early versions of Windows 10, Windows Security is called Windows Defender Security Center). If you have another antivirus app installed and turned on, Microsoft Defender Antivirus will turn off automatically.

   Stay protected with Windows Security - Microsoft Support

   support.microsoft.com/en-us/windows/stay-protected-with-windows-security-2ae0363d-0ada-c064-8b56-6a39afb6a963

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   How does Windows security protect my device?

   • Your device will be actively protected from the moment you start Windows. Windows Security continually scans for malware ( mal icious soft ware ), viruses, and security threats. In addition to this real-time protection, updates are downloaded automatically to help keep your device safe and protect it from threats.

   Stay protected with Windows Security - Microsoft Support

   support.microsoft.com/en-us/windows/stay-protected-with-windows-security-2ae0363d-0ada-c064-8b56-6a39afb6a963

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   Is Avira free security right for You?

   • Avira Free Security may be just the thing for you. No discussion of free antivirus software would be complete without Microsoft Defender Antivirus, formerly known as Windows Defender. If you don’t have a third-party antivirus, or if your antivirus subscription lapses, Defender takes up the banner of your protection.

   The Best Free Antivirus Software for 2024 | PCMag

   www.pcmag.com/picks/the-best-free-antivirus-protection

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   Is online antivirus free?

   • And if an online service is free, it probably means you are the product. Surprisingly, though, you can get helpful and effective antivirus protection at no cost, and some of these freebies beat out all but the best commercial antiviruses.

   The Best Free Antivirus Software for 2024 | PCMag

   www.pcmag.com/picks/the-best-free-antivirus-protection

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

   support.microsoft.com › en-us › windows

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   Security Windows 10 Windows 11. Windows 10 and 11 include Windows Security, which provides the latest antivirus protection. Your device will be actively protected from the moment you start Windows. Windows Security continually scans for malware ( mal icious soft ware ), viruses, and security threats.