How do I transfer iphone music that is in itunes to window pc itunes ? this include purchased and non-purchased from itunes.
You can't transfer non purchased music to iTunes from your iphone, you will have to import it from another source. For the music purchased from the iTunes store there are two ways to do it. The easiest is to authorize the computer in iTunes and redownload the purchased items. Here's a link that explains both options. https://support.apple.com/en-us/HT201267 .
You can only do that with third-party programs. For example CopyTrans:
http://www.copytrans.net/support/how-to-transfer-music-from-ipod-to-itunes/
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