Microsoft Security Essentials

Microsoft Security Essentials
Developer(s)Microsoft
Initial release29 September 2009 (2009-09-29)
Final release
4.10.209.0 / 30 November 2016; 9 years ago (2016-11-30)
Operating systemWindows Vista SP1 or SP2 and Windows 7
PlatformIA-32 and x64
Size
  • IA-32: 11.7 MB
  • x64: 14.4 MB
Available in33 languages
List of languages
English, Bulgarian, Chinese (Simplified), Chinese (Traditional), Croatian, Czech, Danish, Dutch, Estonian, Finnish, French, German, Greek, Hungarian, Italian, Japanese, Korean, Latvian, Lithuanian, Norwegian, Polish, Portuguese (Brazilian), Portuguese (Portugal), Romanian, Russian, Serbian (Latin), Slovak, Spanish, Swedish, Thai, Turkish, Ukrainian and Vietnamese
TypeAntivirus software
LicenseFreeware
Websitesupport.microsoft.com/en-my/help/17150/windows-7-what-is-microsoft-security-essentials Edit this on Wikidata

Microsoft Security Essentials (MSE) is a free antivirus software created by Microsoft that provides protection against computer viruses, rootkits, spywares, and trojans for Windows XP. MSE x86 (32-bit) replaces Windows Live OneCare, a commercial subscription-based antivirus service and the free Windows Defender, which only protected users from adware and spyware. It is geared for consumer use, unlike Microsoft's upcoming enterprise-oriented product Microsoft Forefront.

References

  1. ↑ "Microsoft Security Essentials 4.7.205.0 Prerelease". Softpedia. SoftNews SRL. Retrieved 15 June 2026.
  2. ↑ "Download Microsoft Security Essentials Prerelease from Official Microsoft Download Center". Microsoft. Retrieved 15 June 2026.
  3. ↑ "System requirements". microsoft.com. Microsoft. Archived from the original on 7 April 2013.
  4. 1 2 3 "Microsoft Security Essentials". Download Center. Microsoft. 26 February 2013.
  5. ↑ "Microsoft Software Licence Terms". Microsoft. 26 May 2012. Retrieved 15 June 2026.

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