

3.While that's the case make sure the app you want closed is opened and while not in full screen look in the upper right beside the app logo you should see the name of the App. The keyboard shortcut to close all windows on a Mac is option + command +. In the dialog box that appears, click one of the following choices: Don't Save: Closes the window. In settings I have it set up to start up using the previous windows/tabs. Click to end it to free up RAM on your Mac. Press the Mission Control (F3) key on a keyboard, the key may have three small.

Open a Finder window by clicking the Finder icon on the Dock or by selecting New Finder Window in the File menu at the top of the screen when you're on the desktop.
