The Option key on a Mac is a modifier key that is used to change the functions of menus and keyboard shortcuts. Use Option ...

However, don't expect it to work like the Windows key - it doesn't bring up a system menu. In fact, the Command key is similar in function to the CTRL key on a Windows PC. The Alt/Option key is a key ...

If you want force an app or program to quit on your Mac, you can use a similar keyboard shortcut to PC's Control+Alt+Delete. Force quitting a program will sacrifice any unsaved changes, so do it with ...