An anti-malware suite from Microsoft for Windows XP, Vista and 7. Introduced in September 2009, Microsoft Security Essentials (MSE) replaced Microsoft's antivirus subscription service (see Windows ...

The Microsoft Security Essentials beta antimalware service will be available to anyone in the U.S., Israel or Brazil running on 32- and 64-bit Windows XP SP2, Vista or the upcoming Windows 7.

Read: How to connect Windows Server to Azure How do I enable Microsoft Security Essentials on Windows 11? Microsoft Security Essentials is not available on Windows 11, as it has been replaced by ...

Previously called "Windows Defender" starting with Windows 8, it was retroactively added to Windows 7. Microsoft Defender ... Defender was replaced by Microsoft Security Essentials (MSE) in ...