Closing Documents and Quitting the Application To close a document Do one of the following: Click the current window's close box. Choose File menu > Close. Press Command + W (Mac OS) or Ctrl + W (Windows). To quit Corel Painter Do one of the following: (Mac OS) Choose Corel Painter 8 menu > Quit Corel Painter 8. (Windows) Choose File menu > Quit. You can also quit Corel Painter by pressing Command + Q (Mac OS) or Ctrl + Q (Windows).