To manage your dashboards, click the Dashboard tab on the left-hand side of your screen. Then select the sub-tab that says, "Manage Dashboards."
In this tool, you are able to add new dashboards to your dashboard list. Click the button that says "New Dashboard" to add a new dashboard to your account.
Click the triple-dot menu by any dashboard in your list of dashboards to make it your default dashboard, to rename the dashboard, or to delete the dashboard.