Transcription: You'll notice that one of the buttons has a darker highlight around it. That means that is the default button. If you press your Enter key, it will select the default button. So if we pressed Enter now, it would click on OK. If you do click on a button and you decide, oh no, I don't want that button after all, if you drag your mouse off the button and let go, you won't select that button. Let's go down to cancel and click on that and that will close this window.