To update your details, log in to the website using your email and password. If you've forgotten your password, simply click "Forgot Password" and follow the prompts to reset it.
Once logged in, go to the "My Account" section by clicking the person icon at the top left of the page, as shown below:
From there, you can update your personal information, addresses, and subscription preferences. Please double-check for any spelling errors before clicking the Update button to save your changes.