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.

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

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

Learn how to turn the Windows Firewall on or off using the Windows Security app.

Learn about the Windows Security app and some of the most common tools you can use.

To scan specific files or folders, right-click a file or folder, select Show more options, and then select Scan with Microsoft Defender. When the scan is complete, you'll see the Scan options page letting …

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 been …

If you're concerned and want to have Microsoft Defender run a scan right now, you can do that by going to the Device protection page from the Microsoft Defender dashboard.

Web protection is currently available on Windows, iOS, and Android. It does this by checking links you click on, or that an app tries to open on your device and comparing them against our constantly …

Open the WDAV package file on your Mac and follow the installation steps. After installing, sign in with the personal Microsoft account (such as @outlook.com, @hotmail.com, or @live.com) that is …