Windows 7 support from Microsoft does not end until January 2020. Expect support at least through then. Right now, Windows 7 is being used by 31.5% of the Steam user base. They’re not going to hurriedly drop support for an OS being used by nearly a third of their users.

Does steam still support Windows 7?

Microsoft Windows

Steam officially supports Windows 7 and above. As of January 2019, Steam no longer supports Windows XP and Windows Vista.

Will games stop supporting Windows 7?

The specific end of support day for Windows 7 was January 14, 2020. Technical assistance and software updates from Windows Update that help protect your PC are no longer available for the product.