To sign in to iTunes on your computer:
1. Open iTunes.
2. Click Sign In in the top-right corner of the window.
3. Enter your email address and password, then click Sign In.
If you don’t have an iTunes account, you can create one by clicking the Create New Account link.
Why can’t I sign into my iTunes account on my computer?
There could be several reasons why you are unable to sign into your iTunes account on your computer. One possibility is that you may have forgotten your password. In this case, you can reset your password by following …