Ctrl + Alt + Delete isn’t a shortcut on Mac like it is on Windows, but you can get the same effect using Command + Option + Esc. Force Quit allows you to close applications when they aren’t responding and can’t be closed through the normal quit command (Command + Q).
Note that you might lose unsaved data when using Force Quit. If your Mac desktop or MacBook is running slowly, check out our Mac optimization guide.
Click the Spotlight magnifying glass icon at the top-right corner of the screen, or press Command + Spacebar. Type activity monitor and press Return. Double-click Activity Monitor in the search results.
Click the Spotlight magnifying glass icon at the top-right corner of the screen, or press Command + Spacebar. Type activity monitor and press Return. Double-click Activity Monitor in the search results.
You can also click the columns at the top of Activity Monitor to sort running processes by how many system resources they’re using. For example, to which processes are using the most of your CPU, click the %CPU tab. [3] X Research source
Alternatively, you can select Quit to try to close the app normally first.
