Learn how BitLocker, passkeys, Microsoft Defender, and other Windows 11 security features protect your data, accounts, apps, ...
Microsoft Defender offers great protection from malware -- but there are other online threats you might want to consider, too.
Do you still need third-party antivirus on your Windows PC?
The operating system (OS) on your device is responsible for quite a number of tasks under the hood. One of the core functions of an OS is security, and companies do invest a lot of effort to ensure ...
Microsoft Defender isn't enough to fully protect your PC. You don't have to pay extra, though—just use one of the top free antivirus apps we've tested.
Compare the best free antivirus tools for Windows 10 in 2026, including real-time malware protection, phishing defense, ransomware protection, VPN limits, ...
Best Antivirus Best Antivirus Software for Windows PCs in 2026 Discover the highest ranked antivirus programs for Windows 10 and 11. See whether you need to save or splurge to protect your device, ...
Microsoft's new opt-in PC Insights lets you ask Copilot about your Windows PC's specs, storage, battery and antivirus — a read-only feature rolling out ...
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