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 wants Windows 11 owners to stop worrying about buying antivirus software. In statements reported by PCMag and Windows Central earlier this year, the company called its built-in Windows ...

That Windows 10 support is coming to an end is no secret, but did you know that security updates for some Windows 11 users will also end in just three months? An official August 11 announcement from ...

Even though Windows tells you “You’re using the latest version”, the last updated date is a few days old. That makes it easy for regular users to think ...

In this post, we will show you how to find the Windows Defender Antivirus signature version in Windows 11. Microsoft Defender is Windows’ built-in antivirus that helps protect your PC from viruses, ...

Thanks to the advanced logging capabilities, the app is able to offer detailed information for each entry, including related ...

A patch Microsoft released on Wednesday to fix a zero-day vulnerability in its Defender security engine may cause Windows machines to write files large enough to completely consume available disk ...

Microsoft has released the KB5101684 preview cumulative update for Windows 11 24H2 and 25H2, which 42 bug fixes and ...

Today, Microsoft announced the general availability of Windows 11 25H2, also known as Windows 11 2025 Update. Windows 11 25H2 is a minor update, and it shares the same platform release as Windows 11 ...