It's typical for apps like this to remain available with alt-tab after the window is closed, by not quitting the Main Window app without specifically intending to do that with File > Quit.
This also save on the appearance of the application's startup time, since it remains loaded in the background.
It's typical for apps like this to remain available with alt-tab after the window is closed, by not quitting the Main Window app without specifically intending to do that with File > Quit.
This also save on the appearance of the application's startup time, since it remains loaded in the background.