Antivirus software is a type of software designed to detect, prevent, and remove dangerous software or malware from your computer — including viruses, trojans, ransomware, adware, spyware, and more.

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Dec 11, 2025 · We've tested more than two dozen utilities to help you choose the right antivirus for your needs.

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Important: This article is about the Microsoft Defender app that is included with Microsoft 365 Family or Personal subscriptions. If you're looking for information about the Microsoft Defender Antivirus that is …

Dec 23, 2024 · Discover the top-rated antivirus solutions from Norton, Avast, AVG, Mcafee and Kaspersky to protect your devices from malware, spyware, and ransomware. Learn about the latest …

Nov 21, 2025 · Want to keep your devices safe? These tried-and-true free antivirus tools can protect your computer, phone and other devices -- without breaking the bank.

Oct 10, 2025 · TotalAV tops our list of free antivirus with excellent malware detection, data breach scanning, and a system tune-up tool, despite lacking real-time protection.