Formerly known as Windows Defender, Microsoft Defender is an antivirus protection program that's included with Windows 10.

If your system files are corrupted, built-in Windows 11 components, such as Windows Security, will not be able to run.

Windows Security monitors files added to your PC, especially those from the internet. If a file seems harmful, you'll see a warning "These files might be harmful to your computer". While you can ...

You can turn off automatic updates in Windows 10 through the Settings app. However, you can't turn them off forever. Here's ...

Microsoft says that the File Explorer (formerly Windows Explorer) now automatically blocks previews for files downloaded from ...