8 Replies Latest reply on Sep 13, 2015 11:47 PM by antona99333067

    Older product serial number for activating Lightroom 5


      I have a licenze with productserialnumber for Lightroom 5. Becaus i am changing my PC, i habe installed Lightroom 5 on my new PC. When i am activating Lightroom, i am asked for the serialnumber. After Input i get ok and a new question for an older productserialnumber. But i don't know an older productserialnumber.???