For most people using a supported and fully updated Windows 11 computer, yes: Microsoft Defender Antivirus and the other protections inside Windows Security are sufficient as the primary antivirus.

Learn how BitLocker, passkeys, Microsoft Defender, and other Windows 11 security features protect your data, accounts, apps, and devices.

Microsoft Defender has gone from a placeholder to something you can reasonably trust. For a lot of people, Defender is good enough. But that’s the part that people may miss. “Good enough” depends on ...

Looking for the best antivirus for Windows 11? Check out our top picks to protect your device as well as your system and network to the core!