Stadia is cloud game play console by Google it let you play games without downloading any patches and download files of games with controller.
Stadia Cloud Game Play Console Key Details with full specs:  After the march announcement of cloud gaming by Google i.e Stadia.
Stadia allows playing games without installing the patches, setup files, and others.
What you required is only a good controller to play games. The games are direct fetches from Google data center it makes your gaming experience wow.

Disclaimer: This video is only for educational purpose .

Video Credit goes to Stadia

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