Defender will continue to provide security even for unsupported Windows 10 PCs. But Microsoft still wants you to move to Windows 11.

Learn how to open and configure Windows Defender settings in Windows 11 to protect your PC from viruses and online threats.

All Windows PCs come with a built-in security feature called Windows Defender Application Control (WDAC), which helps prevent unauthorized software from running by allowing only trusted applications.

Microsoft plans to remove Defender Application Guard from Office by December 2027, starting with the February 2026 release of ...

There is (or was) a vulnerability in Windows Defender, but you don't have to worry about it. That's the short version. The longer version, for those who are interested, is that Microsoft detected a ...