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.

Sep 5, 2024 · Here's how to completely and correctly scan for viruses and other malicious software like Trojan horses, rootkits, spyware, adware, worms, etc.

May 30, 2025 · How to scan your device for malware Windows 11/10. Simple steps to run malware scan, check computer for threats, and protect your system from harmful attacks.

Sep 5, 2024 · Learn how to protect your computer by running a full system scan on Windows 10. Follow our step-by-step guide to ensure your PC is free from malware and threats.

Dec 21, 2025 · Wondering how to scan computer for viruses? Our step-by-step guide shows you how to detect and remove threats fast using built-in tools and advanced methods. Scan your PC now!

Oct 21, 2025 · From your very first scan to setting up regularly scheduled scans that keep your computer clean, you’ll learn it all here. Let’s get started. Aside from your computer, you’ll only need antivirus …

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.

Apr 15, 2025 · Here’s a clear, step-by-step guide on how to scan your Windows computer for viruses and malware using Windows Security (formerly known as Windows Defender), written in a …

Apr 16, 2025 · You will need to follow the instructions for your antivirus software to scan for malware. Open the Start menu. Search for Windows Security and open it. Select Virus & threat protection. You …

Nov 26, 2024 · Running a full system scan on Windows 11 will help identify and eliminate any hidden threats on your computer. Follow these steps to thoroughly scan your entire system.