Authorization and deauthorization are used for selecting between the computers that used for connecting to Apple devices.Those computers in which the Apple iTunes is installed are actually authorized using the Apple ID so that, one can sync up all the media files,e-books,apps etc from the connected apple device to the authorized Computers.
Since Apple has imposed a restriction of authorizing only 5 Computers using a particular Apple ID so, obviously there is a need to de-authorize few computers which are either obsolete or not owned anymore.Below we will see how to authorize and de-authorize a Computer.
How to Authorize a Computer using Apple ID ?
1.Log-in to iTunes using a Apple ID.
2.Click on the Authorize This Computer from the store menu drop down on the top menu bar as shown in the image below.
3. Now a popup appears asking for the Apple ID credentials. So, fill the same and hit Authorize.
How to Deauthorize a Computer using Apple ID ?
1.Log-in to iTunes using a Apple ID.
2.Click on the Deauthorize This Computer from the store menu drop down on the top menu bar as shown for authorize.
3. Now a popup appears asking for the Apple ID credentials. So, fill the same and hit Deauthorize.
How to Deauthorize all the Computers?
1.Once signed in using the Apple ID browse to the account on clicking account on the top left corner.
2.Here just hit the Deauthorize all button,this button will show up only if the number of authorized computer is 2 or more but less than equal to 5.
Manage your computers well for the Apple ID to sync and use features like Home sharing,downloading of purchase apps etc.