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Release Date:
Submit Date:
Windows Vista/7/8
User Rating

(503 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 64-Bit version is also available: Microsoft Security Essentials (64-Bit) 4.1.0522.0

FreewareFiles Clean Award FreewareFiles tested Microsoft Security Essentials (32-Bit) 4.5.0216.0 on 2014-04-09 using leading antivirus scanners and found it 100% Clean.

User Reviews
"Enough is enough, MSE is going nowhere.."

Reviewer: -Stuart    Review Date: 2014-05-21
Average Rating (503 Votes )
Pros:  Light, not intrusive, regular updates, free.

Cons:  Missing major features,lack of development,grinds my hard drive, will always be a very basic product.

Other Thoughts:  I was a big fan of MSE when it first came out, but the truth is the programs development has went nowhere ! The reason was spelled out by program manager Holly Stewart who said MSE is baseline security and will "always" come bottom of any AV tests. It would appear MSE has a primary function to help 3rd party AV programs deal with new threats quicker. That's right, we are using this program with the intention of protecting our PC's yet Microsoft see it as a tool for the industry, sorry but I refuse to be a Lab Rat for the AV Mafia.

I also noticed new bugs appearing, at start up it grinds the hell out of my hard drive, sometimes folders are badly delayed in opening and it can screw up your desktop icons. I should have known better that when Microsoft are making products, they only develop them if it suits their interest. I strongly urge people to leave this limited, buggy and going nowhere useless product. It's good to know that in a uncertain world Microsoft will always suck at doing the basics right..
Read All Reviews (49 User Reviews) | Write A Review |
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