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The requested URL /how-do-i-enter-an-itunes-u-course-code-in-itunes-on-a-pc-my-teacher-gave-me-a-course-code-to-enroll-in-their-course-unpublished-but-i-don-t-have-an-ipad-or-iphone-can-i-use-itunes-on-my-pc/ was not found on this server.