Microsoft Security Essentials (download older version)

  Microsoft Security Essentials v4.7.205.0 32bit 13.02.2015 (11,00 MB)

Windows Vista/7

  Microsoft Security Essentials v4.7.205.0 64bit (13,50 MB) 13.02.2015

Windows Vista/7

  Microsoft Security Essentials v4.5.0216.0 32bit (10,75 MB)

Windows Vista/7

  Microsoft Security Essentials v4.5.0216.0 64bit (13,21 MB)

Windows Vista/7

  Microsoft Security Essentials 4.8.204.0 32bit 15.12.2015 (11,08 MB)

Windows Vista/7

  Microsoft Security Essentials 4.8.204.0 64bit (13,60 MB) 15.12.2015

Windows Vista/7

  Microsoft Security Essentials 4.4.304.0 20.11.2013 (13,06 MB)

Windows Vista/7

  Microsoft Security Essentials 4.3.0216.0 06.08.2013 (10,74 MB)

Windows Vista/7

  Microsoft Security Essentials 4.2.223.0 26.02.2013 (10,61 MB)

Windows Vista/7

  Microsoft Security Essentials 4.1.522.0 09.10.2012 (10,59 MB)

Windows Vista/7/8

  Microsoft Security Essentials 4.0.1526 27.04.2012 (9,81 MB)

Windows Vista/7/8

  Microsoft Security Essentials 2.0.657.0 20.12.2010 (7,77 MB)

Windows Vista/7

  Microsoft Security Essentials 1.0.1611.0 (8,62 MB)

Windows XP/Vista/7

  Microsoft Security Essentials 1.0 19.02.2010 (7,02 MB)

Windows Vista/7