Mac keyboard commands copy the screen either to the clipboard or to a newly created file on the desktop (see Mac screen capture). For both platforms, there are third-party capture programs ...
these software are going to come in handy. On its main interface, use Recorder button and then select a desktop area for recording. Or else, you can also select a particular window for recording.
No longer should you need external software just to record a fun clip of gameplay on Steam desktop and Steam Deck, with Steam ...