Press the Command key, and the space bar will open Spotlight ( cmd+space)
Enter the text Activity Monitor.
Choose the appropriate program from the list.
You may close the window by clicking the X in the top upper left corner of the screen.
To confirm that you wish to terminate the process, click the "Force Quit" button.
Launch the Finder, and then navigate to the Applications directory.
Choose the appropriate program from the list.
Use the right mouse button to tap the Move to Trash button.