After today, Windows 7 won’t receive any security or non-security updates from Microsoft. After January 14, devices with Windows 7 will need to be upgraded to Windows 10 for continued support, updates and patches. The last update for Windows 7 applies to all its editions or versions including Windows 7, Service Pack 1, Windows Server 2008 R2. Microsoft has also published Servicing Stack Update (SSU) KB4536952 to improve Windows Update performance on Windows 7. You can download and install the latest patches by checking for updates in Control Panel.
Source: https://www.bleepingcomputer.com/news/microsoft/windows-7-gets-final-monthly-rollup-update-before-end-of-life/