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Your profile lives on Account. Use Profile for name, username, and email. Use Preferences for theme and other defaults.
Account page showing the Profile tab, name fields, username, and a change-email field

Profile tab with username, first name, last name, and change email

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Username, first name, and last name

1

Open Account → Profile

Go to Account. The Profile tab is selected by default.
2

Edit your details

Choose Edit if you see it, then update the fields:
  • Username — Optional public handle. 3–20 letters, numbers, or hyphens, with no consecutive hyphens (--). Leave it blank if you do not want one. You can change it later. If the name is taken or reserved, pick another.
  • First name and Last name — Optional. These appear on your account identity in the app. You can save one, both, or neither.
3

Save

Choose Save. You should see a confirmation that the profile updated. Cancel (or Reset) discards unsaved edits.
Username, first name, and last name save together. Email changes use a separate form on the same tab.

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Change email

On Profile, use Change email (or Add email if the account does not have one yet).
1

Enter the new address

Type the email you want to use, then choose Send change email link.
2

Confirm from the inbox

Open the message at the new address and follow the confirmation link. Until you confirm, keep using the current email to sign in.
After confirmation, sign in with the new email. Full steps are in Changing your email.

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Appearance and preferences

Account Preferences tab with default AI model, gameplay toggles, navigation, and theme

Preferences tab, including AI model, gameplay, navigation, and theme

On Preferences, set theme to Dark, Light, or Auto when light mode is available. The same tab holds the default AI model and Gameplay settings. Save on the section you changed — Preferences do not share one Save button with Profile.