How to turn on an FPS counter in Steam

In the never ending debates between console and PC players, there are a few significant talking points that always come up. Besides exclusives, FPS (or frames per second) is typically one of the first points of comparison you'll hear. Because PCs can be so much more powerful and customizable than a PS5 or Xbox Series X, they tend to be able tofar above what it runs at on a console.

Source : https://www.pocket-lint.com/how-to-turn-on-fps-counter-in-steam/