Microsoft Security Essentials

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.

* Note: Your PC must run genuine Windows to install Microsoft Security Essentials. Learn more about genuine Microsoft software here.

How-to Videos

On the official Microsoft Security Essentials website, you can watch videos on

• how to download and install the software
• run an on-demand scan
• and how to fix a problem when a treat is detected

System Requirements

Find out what you need to know about installing and running Microsoft Security Essentials:

• Operating System: Genuine Windows XP (Service Pack 2 or Service Pack 3); Windows Vista (Gold, Service Pack 1, or Service Pack 2); Windows 7
  
• For Windows XP, a PC with a CPU clock speed of 500 MHz or higher, and 1 GB 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
• 140 MB of available hard disk space
• An Internet connection is required for installation and to download the latest virus and spyware definitions
• Microsoft Security Essentials also supports Windows XP Mode in Windows 7

Get it now

Microsoft Security Essentials is a free download, provided you are running Genuine Windows. Please use the link below to visit the official website and download:

What else can you do to protect your computer?