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February 17, 2015
Question

Issue activating CS 5.5 Design Premium. Serial Number Not Valid but has been used for 4 years.

  • February 17, 2015
  • 1 reply
  • 694 views

I have just deactivated CS 5.5 on my old iMac, when i try to use the same serial number when installing it on my new Mac it tells me that 'the serial number is not valid for this product'. Any ideas?

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    1 reply

    MadisonLeupp
    Legend
    February 17, 2015

    Hi Jack,

    It looks like this document will help resolve your issue: https://helpx.adobe.com/creative-suite/kb/error-serial-number-valid-product.html

    Let us know how it goes!

    Thanks,

    Madison