Hello ArminKay,
Thaks for reaching out to the Community Forums about this email. If you have already confirmed your email address, you should not need to enter any additional information to do so. Are you sure this email is legitimately from PayPal?
I would suggest looking over this information to make sure: https://www.paypal.com/us/selfhelp/article/how-to-spot-fake-emails-faq2340.
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