If you want to download apps, music and video from iTunes to your computer, you have to link your computer with your Apple ID account, and then authorize your computer.

Apple only allows you to authorize up to 5 computers at a time. If you want to use it on a 6th computer, you must deauthorize one of 5 computers that have authorized before. The computer authorization is also needed due to copyright rules, to prevent users who bought movies or TV shows from sharing those movies with family members or friends without paying copyright fees.

How To Authorize A Computer On iTunes On Windows

It’s very easy to authorize a computer on iTunes on both Windows and Mac OS X. But there is a bit different between these platforms.

On Windows, you have to open iTunes, then click on the small icon at the top-left corner of the iTunes program window.

how to authorize a computer on itunes on windows

A drop-down menu will appear, hover your mouse cursor on “iTunes Store“, and then click on “Authorize This Computer“.

Enter iTunes Account

It will ask you to enter your Apple ID account and password. Just enter your Apple ID account and password, then click “Authorize” button and wait for a few seconds.

Computer authorization was successful

Computer authorization was successful.

How To Authorize A Computer On iTunes On Mac OS X

On Mac OS X computer, launch iTunes application. In the next step, click on “Store” in the menu bar, and then select “Authorize This Computer”.

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how to authorize a computer on itunes on mac os x

It will ask you to enter your Apple ID account and password, and then click on the “Authorize” button. Just wait for a few seconds and your computer will be authorized on iTunes.

Enter iTunes Account On Mac OS X

How To Deauthorize Computers On iTunes

As we mentioned above, Apple only allows you to authorize up to 5 computers at a time. When you reach the maximum number of computers, but still need to authorize a new computer, you have to deauthorize a computer first.

It’s very simple to deauthorize a computer on iTunes. Just use the same way to authorize a computer on iTunes to deauthorize it.

how to deauthorize a computer on itunes

If you have authorized your iTunes account on several computers, but you don’t remember or unable to access to those computers at this moment. Then you can use “Deauthorize All” feature on your iTunes account.

deauthorize all

And then:

deauthorize all computers on itunes

We hope this article will help you to understand more about iTunes and learn how to authorize a computer on iTunes on both Windows and Mac OS X operating system.

If you have any question about this guide, feel free to contact us.