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

[jackc69004432]

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?

[MadisonLeupp]

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