How can I log in to my iTunes?
How can I log into my iTunes?
[Re-Titled by Moderator]
Original Title: itunes
Question marked as
If you mean iTunes the programme on your computer, on iTunes' top bar menu, choose Account / Sign In. Then follow the prompt.
If that doesn't answer your question, please provide more information, such as which step you get to that doesn't work as expected or at which you get stuck.