You can sign up at the bottom of the left sidebar of the website.

When starting a new game, you will be asked to log in to an existing account, create an account or play as a guest.
 
There are two ways to create an account:
  • With an email address, you can choose your username and password.
  • Via Facebook
We recommend using Facebook to register, especially if you also play Scrabble GO (Your Scrabble GO account will sync with your web account)