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.

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.

Jun 27, 2024 · 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.” You …

Jun 9, 2025 · Learn how to easily run a Windows Defender scan on Windows 11 with our step-by-step guide to keep your system secure and virus-free.

3 days ago · Download Microsoft Safety Scanner - The Microsoft Safety Scanner is a free downloadable security tool that provides on-demand scanning and helps remove viruses, …

Apr 4, 2025 · Microsoft Safety Scanner is a scan tool designed to find and remove malware from Windows computers. Download it and run a scan to find malware and try to reverse changes …

Jun 6, 2025 · Open Microsoft Defender. Click on the shield icon in the bottom right corner of the screen. You can also click on the search bar and search for "Windows Security". Click on …

Sep 23, 2025 · MSS is a free downloadable security tool for Windows 11 and Windows 10 users, providing on-demand scanning to help remove viruses, spyware, and other malicious software.

Jul 13, 2025 · This comprehensive guide walks you through every aspect of running a full virus scan with Microsoft Defender on Windows 11. Whether you’re proactively scanning your …

Protect your Android, iPhone, Mac, and Windows devices from threats by installing Microsoft Defender. Download Microsoft Defender on your devices either by: Scanning the following QR …