I've had to rebuild my mac. I have a quicktime Pro activation code, but not sure how to activate it. everything I try directs me to the MAC website to buy it . But I've done that already!
I'm sure its simple - it must be I've done it before but ......
If you have the free Quicktime Player, you can register your quicktime pro code by going to the Quicktime menu with the Player open, and choosing registration