I have Aperture 3 on my MacPro from a disk, how can I get the purchase listed in the Ap Store, so I can put it on my new MacAir? I have the id numberr and it is registered with Apple.
Since you purchased and installled Aperture from a disc, it's not possible to add it to the Purchases list in the App Store.
Only apps purchased from the App Store are listed there.
Retrieving data ...