Here's how to authorise your Mac so you can play your iTunes Store purchases, and how to deauthorise your Mac if you have reached your limit.

It's easy to make purchases on iTunes once you jump through a hoop or two. Here's how to authorize a computer on iTunes to get started.

If you want to log in to your iTunes account from another computer, such as while you are traveling, you can authorize up to five stand-alone computers at any one time to access your iTunes ...

Want to access to your apps, movies, music, and other content on more than one computer? If so, here's our guide to authorizing your Mac or PC using iTunes.

A reader would like access to media in different languages in iTunes, but worries about losing access to her accounts.

Q: I am having trouble connecting to the iTunes store using my Windows 7 computer. Whenever I try to log in, the program just hangs on me and will not proceed. I have verified my iTunes account on ...