Microsoft Security Essentials has been identified as the supported solution for home computers.
Microsoft Security Essentials can be downloaded free from this URL: http://windows.microsoft.com/en-US/windows/products/security-essentials
Directions on installing Microsoft Security Essentials can be found here
If you currently have an antivirus software installed on your computer, you will need to uninstall the program before you go ahead and install Microsoft Security Essentials.
Information on how to uninstall antivirus programs can be found here: http://windows.microsoft.com/en-US/windows/How-do-I-uninstall-antivirus-or-antispyware-programs?mkt=en-us
Note: In Windows 8.1 and Windows RT 8.1, Windows Defender provides the same level of protection against malware as Microsoft Security Essentials. You can't use Microsoft Security Essentials with Windows 8 and Windows RT, but you don't neet to - Windows Defender is already included and ready to go.
If you have any questions, Please contact the Technology Support Center at firstname.lastname@example.org.
Last Updated: February 25, 2015