You can access the account settings from any screen by clicking on your avatar in the top right.
See below for all the settings you can configure in this section. Among others, it contains the account mapping you selected during the initial integration. If you decided to skip some information there to get to the product quickly, you may want to come back and make sure everything is set up correctly. TwelveZeros algorithms for generating accurate sales forecast rely on correct integration of your account. If you have any questions, feel free to ask!