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download microsoft security essentials
Microsoft Corporation
Free / Free
Last Updated:
21 November, 2013
Windows / Anti-Malware / Anti-Spyware

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

Before installing Microsoft Security Essentials, we recommend that you uninstall other antivirus software already running on your PC. Running more than one antivirus program at the same time can potentially cause conflicts that affect PC performance.

Supported Operating System: Windows 7, Windows Vista, Windows XP


  •     For Windows XP, a PC with a CPU clock speed of 500 MHz or higher, and 256 MB RAM or higher.
  •     For Windows Vista and Windows 7, a PC with a CPU clock speed of 1.0 GHz or higher, and 1 GB RAM or higher.
  •     VGA display of 800 × 600 or higher.
  •     200 MB of available hard disk space.
  •     An Internet connection is required for installation and to download the latest virus and spyware definitions for Microsoft   Security Essentials.
  •     Internet Browser:


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