1. Security Essentials 4.3.219 XP Released: 21 Oct 2013 (9 months ago) Technical Details | Change Log
  2. Security Essentials 4.3.216 XP Released: 25 Jul 2013 (11 months ago) Technical Details | Change Log
  3. Security Essentials 4.2.223 XP Released: 22 Feb 2013 (1 year 4 months ago) Technical Details | Change Log
  4. Security Essentials 4.1.522 XP Released: 27 Sep 2012 (1 year 9 months ago) Technical Details | Change Log
  5. Security Essentials 4.0.1526 XP Released: 26 Apr 2012 (2 years 2 months ago) Technical Details | Change Log
  6. Security Essentials 2.1.1116 XP Released: 29 Jun 2011 (3 years ago) Technical Details | Change Log
  7. Security Essentials 2.0.657 XP Released: 17 Dec 2010 (3 years 7 months ago) Technical Details | Change Log
  8. Security Essentials 1.0.2498 XP Released: 08 Oct 2010 (3 years 9 months ago) Technical Details | Change Log
  9. Security Essentials 1.0.1963 XP Released: 01 Jul 2010 (4 years ago) Technical Details | Change Log
  10. Security Essentials 1.0.1961 XP Released: 28 Feb 2010 (4 years 4 months ago) Technical Details | Change Log
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