In iTunes 11.1.4, Apple made it a lot easier to work with your Wish List, that virtual shopping cart where you can store items you want to buy in the future. That list had been available before from the iTunes Store, but now you can view it from your iTunes media library. Here's how you can use it to manage all kinds of purchases from the iTunes Store.
Wish you were here
With all the different kinds of digital content you can now purchase through iTunes, it can be hard to remember what you want to buy: hence the Wish List. Anything you can buy via the iTunes Store, including music, movies, iOS apps, and audiobooks, you can save in your Wish List. You can not, however, add apps from the Mac App Store (at least not yet).
To add an item to the Wish List, you just find something you want to buy in the store, open the drop-down showing its price, then choose Add to Wish List. For some reason, you can't add free items (apps or TV shows, say) to the Wish List, even though that'd be useful for those times when you don't have the bandwidth to download something, but want to save them for later. But you can add any paid content.
Adding items to the list from an iOS device is a bit different: When you're viewing an item, tap the Share button (the box with the arrow at the top of the window), then tap Add to Wish List.
Once you've built up your Wish List, you can check it out at any time. In iTunes, look for the button with three horizontal lines located at the upper right corner of the iTunes window, in either the iTunes Store or in your library. On iOS devices, you'll also see a Wish List button in the App Store and iTunes Store apps.
I wish you would
You can buy any of the items in your Wish List, or you can just preview them again.
The Wish List lets you view a variety of content. It stores what you've added to the Wish List, of course, but also anything you've previewed in the iTunes Store: music, movies, TV shows, and so on. It also shows what you've listened to with iTunes Radio, but only if the Radio tab isn't visible in your Music library. (To toggle it on or off, go to iTunes > Preferences, and select iTunes Radio in the Show section of the General tab.)
The Wish List tab shows what you've put aside by category: Apps, Books, Music, and so on. But the Previews section groups everything together by date, in reverse chronological order.
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