I have updated the email address on your Plus account (I set your new hotmail.com email as primary).
There's one more step: You should receive a separate email from us with a link to verify your new email address. Please click the link to complete this update process.
NOTE: To access your paid account, sign out and sign back in using the respective credentials (i.e. your hotmail.com email and your password). Here's how: https://customer.real.com/hc/en-us/articles/204040653