Authorization and Deauthorization
Learn how to authorize a computer on iTunes and how to deauthorize single or all computer on iTunes.Read more: http://www.dailytut.com/apple/authorize-deauth. If you've made the switch from a Mac to a PC, the lack of iTunes and the songs, movies and TV shows you've gained from it over the years may be a glaring hole in your new experience. Authorize a Mac on iTunes Open iTunes on your Mac. Sign in using your Apple ID. Select Account from the top menu, then Authorizations and then Authorize this computer.
See iTunes Store- About authorization and deauthorizationfor Macs.
See How to Authorize or Deauthorize iTunes PCWorld for Windows.
In iTunes you use the Authorize This Computer or De-authorize This Computer option under the Store menu in iTunes' menubar. For Windows use the ALT-S keys to access it.
More On De-authorizing Computers (contributed by user John Galt)
You can de-authorize individual computers, but only by using those computers. The only other option is to 'de-authorize all' from your iTunes account.
1. Open iTunes on a computer
2. From the Store menu, select 'View my Account..'
3. Sign in with your Apple ID and password.
Windows xp professional wallpaper. 4. Under 'Computer Authorizations' select 'De-authorize All'.
5. Authorize each computer you still have, as you may require.
You may only do this once per year.
After you 'de-authorize all' your authorized computers, re-authorize each one as required.
If you have de-authorized all computers and need to do it again, but your year has not elapsed, then contact: Apple - Support - iTunes - Contact Us.
Jan 18, 2013 2:46 PM