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Microsoft Test Results

Tested operating systems in your selection: Windows 8 | Windows 7 | Windows Vista | Windows XP
October 2014
Name certified Protection Performance Usability
MicrosoftMicrosoft Windows Defender 4.4
Protection
Repair
Usability
April 2014
MicrosoftMicrosoft Windows Defender 4.3 & 4.4
Protection
Repair
Usability
December 2013
MicrosoftMicrosoft Windows Defender 4.3
Protection
Repair
Usability
February 2013
MicrosoftMicrosoft Windows Defender 4.0
Protection
Repair
Usability
Click on the logo to display the test series.