I have an IPA signed for ad-hoc distribution. I can install it fine with Flash Builder. I\'d like to install a release version via iTunes 12, though. Dragging it onto:
I don't remember this being very difficult with iTunes 12, but at least for iTunes 12.8 (and likely for the previous couple of minor versions also) it's pretty straightforward even though the Apps button is not there, as demonstrated in the below two steps:
Wait for the sync to finish and the app is on your device!