When you first open the app you can sign up as a new user by clicking on 'Sogn in' top right and then follow the 'new account' button:
This opens an account registration pop-up where you need to choose you username, email, and password.
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When you register you are taken back to the main dashboard. From there you can go to User Menu (top right icon) > Profile and edit personal information such as display name (for the leaderboard) and email preferences.
