Support for Windows 7 ended on January 14, 2020
We recommend you move to a Windows 10 PC to continue to receive security updates from Microsoft.
Windows 7 is no longer supported and availability of new installations of Microsoft Security Essentials has ended. We recommend all customers move to Windows 10 and Windows Defender Antivirus for our best security option.
Will Microsoft Security Essentials running on my system continue to run?
Yes, we will continue to provide signature updates for Microsoft Security Essentials until 2023.