3 Ways To Force Quit on Mac
Way 1.
Apple Menu technique has the advantage of promptly closing the problematic programme regardless of how it behaves
Way 2.
The Activity Monitor gives you complete control over all running programme & services.
Way 3.
Hold
‘Command’ + ‘Option’ + ‘Shift’ + ‘Escape’
for several seconds after the programme is in the forefront to force it to shut.
For More details
Swipe Up