Learn about getting started with the new Microsoft Defender on your personal devices including Windows, Mac, Android, and iOS.

One of the key benefits of the Windows Security app is its ability to provide real-time protection. Microsoft Defender Antivirus continuously scans your device for potential threats and takes …

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

With features like Microsoft Defender Antivirus, Windows Firewall, and Smart App Control, you can easily access and configure robust security settings. Built into Windows, this app ensures …

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.

Microsoft Defender is a new security app that helps protect you and your family across all your devices; Windows, Android, Mac, and iOS.

You can use the Windows Security app to view and manage the status of Windows Firewall. You can turn the firewall on or off, and access advanced settings for different network types, …

Oct 14, 2025 · Follow these steps to automatically diagnose and repair Windows security problems by turning on UAC, DEP protection, Windows Firewall, and other Windows security …

Choose Security, Privacy, and Accounts > Windows Defender Antivirus as the category. For more information about privacy and feedback settings, see Diagnostics, feedback, and privacy in …

The Protection History page in the Windows Security app is where you can go to view actions that Microsoft Defender Antivirus has taken on your behalf, Potentially Unwanted Apps that have …