how to run on windows xp

Both Windows XP and Vista are limited to older encryption protocols which are no longer considered secure enough to be used to transmit sensitive data such as passwords and credit card details. The last build of iTunes that runs on XP is now over three years old.

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Windows XP was released in 2001. Even Microsoft stopped its extended support of Windows XP in April, 2014.

iTunes has not been compatible with Windows XP for releases spanning several years now.