You can change your control buttons from multi-colored to shades of gray, which might be confusing. In normal use in El Capitan when hovering over the green button, it should show full-screen ...

For the PS5, Sony will finally switch the Japanese Circle and X buttons to the Western standard, but only for the system's UI. By Steven T. Wright on October 5, 2020 at 9:01AM PDT 42 Comments ...