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.

Jul 17, 2026 · Learn how to view and manage Microsoft Defender Antivirus settings in the Windows Security app, including running scans, updating security intelligence, configuring exclusions, and …

Jul 2, 2026 · Run and configure on-demand scans using PowerShell, Windows Management Instrumentation, or individually on endpoints with the Windows Security app

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.

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.

Apr 30, 2026 · Detect and remove spyware, malware, and adware on Windows with Windows Defender. Follow steps to scan, update, and protect your personal computer against infections for enhanced …

Use Microsoft Defender as your personal defense against online threats and easily manage your family’s online security.

Mar 13, 2026 · To perform a full virus scan with the Microsoft Defender Antivirus, open Windows Security > Virus & threat protection > Scan options, choose “Full,” and click “Scan now.”

Jan 31, 2022 · This tutorial will show you different ways to manually scan files, folders, and drives on demand with Microsoft Defender Antivirus in Windows 10 and Windows 11.

Oct 2, 2025 · This guide explains how to use Microsoft Defender to scan your computer for viruses, malware, and other security threats using quick, full, or custom scan options.