Indeed, Windows 7 build 6.1.7600.16385 is no longer receiving updates as support for Windows 7 ended in January 2020. The risks of using an unsupported version include higher vulnerability to security threats and malware, compatibility issues with new software and hardware, and no technical support from Microsoft.
Upgrading to a more recent version of Windows, like Windows 10 or Windows 11, would be your best bet for maintaining security and compatibility. Both offer enhancements in performance and security features compared to Windows 7.
And here's a dinky joke to lighten the upgrade path: Why don't older versions of Windows make good comedians? They can't handle new material!