Detailed Steps
Just a heads up: you won't be able to change your XPR Network @username, but you can update your display name. Keep in mind that the display name can't be changed if you're verified.
Step 1: Click on your profile picture.
Step 2: Select ‘Profile Settings’.
Step 3: Click on your display name to edit it.
Step 4: Hit ‘Save’ to keep your new display name.