Why did you buy CS6 if you already have CC? CS6 is included.
As for accessing CC14, just open it. If it's not installed you'll need to do
Well, I didn't really want to pay a monthly fee. And I can't "just open CC14"; when I click on it in applications, nothing happens. So I've uninstalled CS6 for now because I can't mess around; I have a looming deadline and have to work on my document.
Keep Calm and Carry On