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 25, 2023 · The best way to check your PC for viruses is to run a manual virus scan of your system with Microsoft Defender, Malwarebytes, or another antivirus program. You can also press …

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Free scan to see if your Windows or Mac get infected. Detect and remove viruses, malware, spyware, and other malicious threats.

Nov 2, 2025 · Learn how to scan and remove computer viruses using trusted antivirus software options, find free online virus scanners, and safeguard your system from threats.

A sluggish computer or a sudden barrage of pop-ups is a critical security alert. Malicious software can silently compromise your company's sensitive data, disrupt entire networks, and inflict significant …

Dec 12, 2025 · Learn how to determine if your computer has a virus with easy steps. Detect, fix, and protect your system now.

Feb 27, 2025 · This guide covers everything you need to know about computer viruses, including how to quickly detect and remove them from your devices and protect yourself from future infections.

With just one click, launch a rapid, comprehensive scan that detects a wide range of threats. Whether you suspect an infection or simply want to perform a routine check, this tool delivers immediate, …