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Release Date:
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Windows Vista/7/8
User Rating

(142 Votes )
Software Product Description

Microsoft Security Essentials provides real-time protection for your home PC that guards against viruses, spyware, and other malicious software.

Microsoft Security Essentials is a free download from Microsoft that is simple to install, easy to use, and always kept up to date so you can be assured your PC is protected by the latest technology. It’s easy to tell if your PC is secure — when you’re green, you’re good. It’s that simple.

Microsoft Security Essentials runs quietly and efficiently in the background so that you are free to use your Windows-based PC the way you want—without interruptions or long computer wait times.


  • Comprehensive malware protection
  • Simple, free download*
  • Automatic updates
  • Easy to use

A 32-Bit version is also available: Microsoft Security Essentials (32-Bit)

FreewareFiles Clean Award FreewareFiles tested Microsoft Security Essentials (64-Bit) 4.8.0204.0 on 2015-05-13 using leading antivirus scanners and found it 100% Clean.

User Reviews
"rip mse"

Reviewer: -the wolf    Review Date: 2012-12-16
Average Rating (142 Votes )
Pros:  works fine in win vista not sure about win 7.

Cons:  won't uninstall in windows 8. (can be disabled in win services) system tray icon removed in windows 8 replaced with "white flag system tray icon"(labeled as action center in win8). white flag icon in system tray does not automatically show alerts in win 8 defender have to manually check if scans,update definitions,etc.

Other Thoughts:  this software worked fine on win vista however on win 8 it won't install because ms has preinstalled a version of this software that can't be uninstalled and went back to the win defender name win 8 has also dropped the system tray icon and uses the "white flag" icon which is part of the windows action center which for me has not pop up any warnings for me to scan or show me i have outdated definitions i have to stop what i am doing and highlight the white flag icon by manually dragging my mouse to it to see if i need to do i think i'm going to see if i can fine another solution maybe download a different av an or firewall.
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