You may follow the steps below to change your email address.
Step 1 : Sign in to your account.
Step 2 : Click on Profile
Step 3 : Click on edit to change your email address
Step 1 : Launch the app and tap on your account on the top left of the screen
Step 2 :Tap on Profile and settings
Step 3 : Tap on Manage Profile to edit and update your email address