Not sure what this has to do with sky but.
You could Google "If you’ve forgotten your Apple Account primary email address or phone number"
do you have an iTunes account on your PC? If so, check it or any old apple devices?
Otherwise, maybe set up a new account?
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ROI sky Q Customer.
If you have questions about Sky, please post on the forums and do not send me private messages about them. I'm only a customer like you.
