This appears to be one of three postings for the same problem ( two other forums ) and you are getting responses in those others but do not appear to be responding to them.
You haven't provided any information in this version that would enable anyone to provide much more than the following possible information:
To locate the serial number :
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http://helpx.adobe.com/x-productkb/global/find-serial-number.html
Serial number and activation chat support (non-CC) :
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http://helpx.adobe.com/x-productkb/global/service1.html ( http://adobe.ly/1aYjbSC )
If that information doesn't help you get further alomg then it will help if you explain the software involved and what actions you have taken that are failing for you..