Moving Djay to another mac without AppStore. Can't get my license key

I want to move djay to another Mac.
But this mac is 10.5 without app store.
So I bought djay 4.2.3 on the app store on another mac.
I can’t find the “de-activate” option in “djay” menu to get my license key.

Hi Timothy,

Please send an email to support(at) with a copy of your purchase receipt and we’ll be glad to help you out.