marcoz Posted December 7, 2019 Report Share Posted December 7, 2019 (edited) Hi, I downloaded Nitro Pro V13 and keyed the serial of the V12 I have upgraded to, but it says the serial number is not valid This is what I received when I upgraded to V12 Edited December 9, 2019 by Leslie V. Confidential information edited Link to comment Share on other sites More sharing options...
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