Security Essentials runs unobtrusively in the background of the system to constantly improve the Windows computer to protect. Because the software has little attachment on the computer system is very suitable for protecting older computers or netbooks. Microsoft Security Essentials is a lightweight program. The program protects unfortunately not your incoming and outgoing e-mail traffic. Microsoft Security Essentials provides basic protection against viruses, spyware, and other malicious software. Microsoft Security Essentials replaces the paid Windows Live OneCare which never had a success. For Windows XP, Vista and Windows 7, Microsoft has the free Security program Security Essentials released. When you make use of an older operating system you must still install it yourself.

Starting with Windows 8, there is by default a virus scanner integrated into the operating system.

Check this thus, before this virus scanner decide to download. The program is only download on a computer that is running a legal version of Windows is installed. Microsoft offers a free virus scanner for Windows under the name of Microsoft Security Essentials.

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