Windows Defender ATP security support is now available now for WIN7 and WIN8.1 as documented below https://redmondmag.com/articles/2019/02/22/windows-defender-atp-windows-7-support-ga.aspx https://redmondmag.com/articles/2018/02/12/windows-defender-atp-windows-7-and-8.aspx The Windows Defender Advanced Threat Protection (ATP) service can now be used to help address security issues with Windows 7 and Windows 8.1 clients.  The capability for Windows Defender ATP to act as an “endpoint detection and response” service […]