A knowledge base article about How do I switch from Adobe Creative Suite to Adobe Creative Cloud? provided by the UC Berkeley IT Service Hub - Knowledge Portal
If you previously had Adobe Creative Suite installed (versions 5.5 or earlier), you can upgrade to Adobe Creative Cloud by uninstalling Adobe Creative Suite (CS) applications before installing the Creative Cloud apps. Note: If you have Creative Suite Version 6 (CS6) installed you do not need to uninstall before using Adobe Creative Cloud.
Instructions to Uninstall: