To open project settings, click on three dots in the lower right corner of the project card and select Settings from the menu.
In the new window, you can set up general properties, SEO settings, integration, properties of forms, project access, and also add custom code.
Also, in the right part of the Project settings window, you can do the following with your project:
You can also move to project edit mode by clicking on the Design editor button.
Learn more about settings: