Then enter your Apple ID and Password and click Sign In.You will see this at the top of your iTunes window. Open the iTunes app on your Windows 10 computer.Next, click Account again and hover over Authorizations and select Authorize This Computer. Then click Sign In and enter your Apple ID and password. To authorize your Windows computer, open the iTunes app and click Account in the menu bar. How to Authorize a Windows 10 Computer on iTunes If you want to know how to use an authorized computer to share music on iTunes or Apple Music over your network, check out our step-by-step guide here. If you had any problems authorizing your Mac computer, check out the section on how to deauthorize all your computers below. Then hover your mouse over Authorizations and select Authorize This Computer.If you don’t know your Apple ID or password, click Forgot Apple ID or Password in the pop-up window. You will see this in the Apple Menu Bar at the top of your screen once you select the app. Depending on which version of macOS you are running, you will find either of these in your Applications folder. Open the Music or iTunes app on your Mac computer.To authorize your Mac computer, open the iTunes or Apple Music app and click Account in the menu bar. How to Authorize a Mac Computer on iTunes or Apple Music

Here’s how to authorize and deauthorize a Mac or Windows 10 computer on iTunes or Apple Music. Authorizing a computer also lets you share your media with other devices on your network, as long as you are signed in with the same Apple ID. If you want to access your purchased music, movies, and other media on a computer, you’ll need to authorize it on iTunes or Apple Music first.

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