Once installed and activated, the programs can function offline. Only about once a month they will check whether your subscription is still active. If this check fails or you have sign-in problems, you have 90 days to correct the issue, meaning to connect to the Internet and check. Of course online access may be required if you plan on using online features like Typekit to have access to more fonts or the sync stuff. You can use CC on 2 computers.
Thank you. When you install it on two computers, what happens if one crashes and you loose the information? Can you get it installed on another?
CC is better than the old system for computers that crashed. It can automatically sign you off other computers, so you don't have to call Adobe to get your password reset.