The new iTunes 11 as you might have noticed already is slightly different from the previous version. One of the most asked questions about this new iTunes version is how to transfer purchases on it.
I came across this problem a couple days ago and I'll show you how to do it.
This is my first video tutorial using a MacBook Pro, I'm still learning how to edit
them properly, I apologize for the fact the video image is cut on the top
so you can't see where I clicked on the bar.
Step 1: Open iTunes.
Step 2: Connect your iDevice whether by USB or wifi.
Step 3: Once connected, click on File.
Step 4: Go to Devices and then Transfer Purchases from ...
That's it! Your purchases are now transfered to iTunes.