If you plan to give away, sell or trade in your Mac, you should de-authorize your iTunes account on the computer first, as this removes its access to content that you bought from the iTunes Store ...

To play your iTunes Store purchases, you may need to authorise your Mac or PC first. Here's how.

You have an ancient Mac that's authorized with your Apple ID. Said Mac won't connect to iTunes for the purposes of deauthorization. What to do? Throw the game board up in the air, says Chris Breen.

Click the "iTunes" icon on your computer's Desktop or click "Start," "All Programs" and "iTunes" to launch the program. Click "Store" and "Sign In" and then log in to your iTunes account with your ...

If you have forgotten your iTunes ID, meaning you can't play DRM-protected music or otherwise access your account, there is an easy way to look it up.

If you use iTunes, and who doesn’t have it installed, you must be somewhat wary of the endless news bouncing around the technology world of people having their accounts hacked, and then drained ...

If you transfer iTunes movie purchases from Computer to iPhone 6 (Plus), it’s much easier. But for iTunes movie rentals, once you transfer them to your iPhone, they may be moved from the computer.