
Microsoft's announcement of its own AV software on 18 November 2008, was met with mixed reactions from the AV industry. It lacks the OneCare personal firewall and the Forefront Endpoint Protection centralized management features.

It replaces Windows Live OneCare, a discontinued commercial subscription-based AV service, and the free Windows Defender, which only protected users from spyware until Windows 8.īuilt upon the same scanning engine and virus definitions as other Microsoft antivirus products, it provides real-time protection, constantly monitoring activities on the computer, scanning new files as they are created or downloaded, and disabling detected threats. The license agreement allows home users and small businesses to install and use the product free of charge. MSE 4.5 and later versions do not run on Windows XP. Prior to version 4.5, MSE ran on Windows XP, Windows Vista, and Windows 7, but not on Windows 8 and later versions, which have built-in AV components known as Windows Defender. Microsoft Security Essentials ( MSE) is an antivirus software (AV) product that provides protection against different types of malicious software, such as computer viruses, spyware, rootkits, and Trojan horses. com /en-my /help /17150 /windows-7-what-is-microsoft-security-essentials

When the file has finished downloading, go to your Desktop and double-click the file (it will be called mpam-feX86.exe, or mpam-feX64.exe).In the table left, click on the link that will work for your version of Windows.Check whether your version of Windows is 32-bit or 64-bit.How to download and install a Microsoft Security Essentials update: 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. It's easy to tell if your PC is secure - when you're green, you're good. 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.


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