how do I deauthorise all computers by contacting apple before 1 year

I have been switching computers recently and then settled on 1 but had it upgraded and had the windows reinstalled. Now I am out of authorisations and I can't deauthorise all before 31 Jan, 16. Kind of stuck here

iPhone 6 Plus, iOS 9.0.2, iTunes 12.3.1

Posted on Oct 23, 2015 12:59 AM

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how do I deauthorise all computers by contacting apple before 1 year

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