Function bevy::winit::create_windows

pub fn create_windows<F>(
    event_loop: &EventLoopWindowTarget<RequestRedraw>,
    _: <(Commands<'_, '_>, Query<'_, '_, (Entity, &'static mut Window), F>, EventWriter<'_, WindowCreated>, NonSendMut<'_, WinitWindows>, NonSendMut<'_, AccessKitAdapters>, ResMut<'_, WinitActionHandlers>, Res<'_, AccessibilityRequested>) as SystemParam>::Item<'_, '_>
)
where
    F: QueryFilter + 'static,

Creates new windows on the [winit] backend for each entity with a newly-added Window component.

If any of these entities are missing required components, those will be added with their default values.