Windows 7 Extended Security Updates - 1 year per device
Windows 7 Extended Security Updates (ESU) include security updates for critical and important issues as defined by the Microsoft Security Response Center (MSRC). After January 14, 2020, PCs running Windows 7 will require ESU in order to receive security updates. Windows 7 ESU is licensed on a per-device basis and is sold as-is. Windows 7 ESU requires Windows 7 Professional or Windows 7 Enterprise. It is NOT compatible with Windows 7 Home.
Find your options for ESU and learn how to install here