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Microsoft Security Essentials for Windows XP/Vista/7 (64-bit) v4.5.216.0

Vista / Win7 / WinXP
Microsoft Security Essentials provides real-time protection for your home PC that guards against viruses, spyware, and other malicious software. It is a free tool 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. 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.


Microsoft Security Essentials for Windows XP/Vista/7 (64-bit) v2.1.1116.0

microsoft security essentials microsoft security essentials antivirus spyware malware

License type Freeware1
Author's homepage Visit the author's site
Date added 11 Apr 2014
Downloads 904678
File size 13.19 MB (< 2min @ 1Mbps)
Operating systems Vista / Win7 / WinXP1

1License and operating system information is based on latest version of the software.

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Unverified new user
Microsoft Security Essentials for Windows XP/Vista/7 (64-bit) v4.3.216.0

am giving it a try

06 Nov 2013
Unverified new user
Microsoft Security Essentials for Windows XP/Vista/7 (64-bit) v4.2.223.1

the best anti virus till date...

09 Jul 2013
Microsoft Security Essentials for Windows XP/Vista/7 (64-bit) v4.1.0522.0

I like very much

Microsoft Security Essentials for Windows Vista/7 (64-bit) v2.1.1116.0

Microsoft Security Essentials is ok but it dose not find most virus after i moved to Ad-Aware Total Security it found more virus that Microsoft Security Essentials miss.

but for free virus protection is Microsoft Security Essentials # 2 Avast! Free Antivirus 5 is # 1

Microsoft Security Essentials for Windows Vista/7 (64-bit) v1.0.1961.0

Had some issues installing this through Chrome - not sure if its Google blocking Microsoft or the other way round! Or maybe just my laptop!!

Installed finally by using IE...good so far, regular updates and caught one trojan a week ago which was easy to quarantine and remove...

Installer information

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If you wish to download the original version of this software you can do so at the author's homepage (see Info tab on the left).