The player allows recording the external audio including the one coming from the mic but internal audio cannot be recorded. The feature works on macOS Mojave and the earlier versions of the OS. Basic recording of your Mac screen can be done in decent quality using the player. QuickTime Player is the default player on your Mac that supports a wide range of additional features as well including screen recording and it is widely as the best screen recorder for Mac. How to Screen Record on Macbook using QuickTime? How to Do a Screen Recording on Mac using macOS Mojave?