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

How long will steam support Windows 7?

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.

How do I install Steam on Windows 7?

Visit /about. Click the ‘Install Steam Now’ button and allow the Steam installer to download. Once downloaded, click ‘run/open’ and follow the instructions to install the Steam client onto your computer. When the Steam client starts, you will be prompted to log in or create a Steam account …