I put down the credit card and bought the Creative Cloud deal. I had a version of CS6 that was trial. When I downloaded the NEW Creative Cloud version of InDesign and tried to launch it asked me SIGN IN REQUIRED. I clicked on that and it said, ADOBE InDesign CC Trial (even though I had paid for the software). I clicked on LICENSE THE SOFTWARE and it asks me for a serial number. There are no serial numbers for Creative Cloud (CC).
I've been through 4 tech calls in several hours. One used a "cloud clenaning" software on my computer remotely. He also Uninstalled CS6. I've been through uninstalling Adobe Creative Cloud App and InDesign CC....then reinstalled both. NO LUCK. THIS REALLY, REALLY SUCKS.
4 calls to tech support and no freaken luck....but you have my money Adobe.