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.

Analyse suspicious files, domains, IPs and URLs to detect malware and other breaches, automatically share them with the security community.

Download our free virus removal tool to scan & use our virus checker. Virus protection for Android, PC, iOS, and Mac devices.

Our virus and malware scanner works on all your favorite devices. Download it on your Mac, Android, and iPhone to scan for viruses and other online threats like Trojans.

It’s a powerful first step, as this on-demand tool is designed to perform a fast and effective malware scan to identify viruses, spyware, and other threats possibly lurking in your computer, without …

Get a free one-time online virus scan, or a free 30-day trial with unlimited virus scans from ESET. Our online virus scanner will help you identify and remove malware.

Oct 21, 2025 · Learn how to run antivirus scans efficiently with TotalAV, Surfshark, and Norton, including quick, full, and custom scans for Windows, Mac, and Android.

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.

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 …