Microsoft Security Essentials PC Guide

Installing Microsoft Security Essentials (PC)

The following will guide you thorugh the steps required to install Microsoft Security Essentials Antivirus on your personal computer.
The antivirus software is free to use and available from the Microsoft website. Follow the directions for your particular Operating System below.

Note Running two antivirus programs on the same computer can cause performance problems and system instability. Uninstall any antivirus software that is currently installed on your computer before you install Microsoft Security Essentials.


Windows XP
Be sure to uninstall any current antivirus software from your computer before proceeding. See FAQ, below, for additional help.

  1. Visit the Security Essentials website to download the antivirus for your version of Windows XP.
  2. Locate and double click the file you downloaded.
  3. Follow the steps to install Security Essentials to your computer.

Windows 7
Be sure to uninstall any current antivirus software from your computer before proceeding. See FAQ, below, for additional help.

  1. Visit the Security Essentials website to download the antivirus for your version of Windows 7.
  2. Locate and double click the file you downloaded.
  3. Follow the steps to install Security Essentials to your computer.


Windows 8
Microsoft Security Essentials comes pre-installed within the Windows 8 operating system. There is no need to install additional antivirus on your Windows 8 computer.
Further information about security features now included in the Windows 8 operatings system is available from Microsoft.

 

FAQ

How do I determine what version of the Windows Operating system is installed on my computer?

Microsoft's website has steps to identyify which version of Windows is installed.

How do I uninstall other antivirus programs from my personal computer?

Visit Microsoft's website for directions on unistalling other antivirus programs.

Where do I find information on getting started with Security Essentials?

Microsoft has a "Getting Started" page on Security Essentials. 

How do I prevent getting a virus or infecting my computer with malware?

Information about protecting yourself from virus and malware infections, including what to do if you get infected, is available on the Microsoft website.