need technical support phone number

you messedy I tunes none of theitunes play and I have windows 7 not windows XP I just got hard drive replaced and was trying to recover - restore my itunes now nothging works I had multiple copies but at least one of the copes playedf i set player setting now every ting you did is all messed up can you just put my stuff back so my vidios and music and movies Pic worki thank you Ruben