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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 for your Windows devices.
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.
Jan 23, 2024 · Learn if antivirus software is necessary for Windows 11 devices. Find out about built-in protection and whether Windows 11 needs antivirus software added on.
Microsoft Defender which is built into the Windows 11 provides you a comprehensive and strong protection against malwares and it is free. We recommend users to use it as their default Anti-Malware program.
Protect your data and devices with Windows Security. Get next-gen antivirus, malware defence and tracking prevention with System Guard, Windows Defender and more security features.
On your PC, Microsoft Defender works with built-in Windows Security to provide additional device antivirus protection on your Android, iOS, and MacOS devices. Keep your identity and credit safer online.
If you're looking for information about the Microsoft Defender Antivirus that is built into Windows, see Stay protected with Windows Security.
Protect your PC against viruses, ransomware, spyware, and other types of malware with Avast Free Antivirus. Used by hundreds of millions of users worldwide, our free antivirus is fully compatible with Windows 11, 10, 8.1, 8, 7. Avast blocked over 7.5 billion attacks in 2023.
Click the button on this page to start the download, or choose a different language from the drop-down list and click Go. Microsoft Security Essentials provides real-time protection for your home or small business PC that guards against viruses, spyware, and other malicious software.
If you suspect that your device may have malware you should have Microsoft Defender run a scan. Here's how to do that on Windows, Mac, or Android.
