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

You won’t have to enable Windows Backup to get extended Windows 10 security updates in the European Economic Area.

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

Windows Security does more than just basic virus protection. It guards against phishing, blocks ransomware, and prevents malicious apps from running. However, these features aren't easy to ...