Hello @ibrahimfekry
Welcome to the PayPal Help Community and thanks for posting here!
I do understand you have a query regarding changing your email or credit card on your PayPal account. Kindly refer this article to understand how you can add, remove or update an email address www.paypal.com/cshelp/article/help135 (Country specific) . You can refer to this article to know how you can remove your debit/credit card www.paypal.com/cshelp/article/help158 (Country specific) . Incase you need any further help please reach out to our customer support team to get an understanding of the possible solution to the issue raised. You can reach out to the Support Team by clicking the contact us option at the bottom of PayPal homepage.
Hope this information helps,
Jyoti
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