While Microsoft Windows has a menu bar at the top of every open window, macOS has a menu bar at the top of the screen, not attached to a window. It contains the menu for the current (active)window.

Question

Quizplus · Accepted Answer

In macOS, the menu bar is always at the top of the screen and changes based on the active application, unlike Windows where each window has its own menu bar.

While Microsoft Windows Has a Menu Bar at the Top