You can use the toolbar button to invoke the General Settings dialog.
This dialog provides the following Report and Dashboard Server settings:
Specifies the URL to assess the Report and Dashboard Server from client machines.
Defines the language for the Administrative Panel's interface elements. It also specifies the culture settings that include formatting for dates, time, and numbers. See the Localization topic for more information.
Enable Self Sign-Up
Enables self sign-up registration for the Report and Dashboard Server's users. The Server creates an account when a user logs in for the first time using Windows authentication or another external authentication provider.
Use the editor below this option to define the group to which the Server should add such users.
Enables Cross-Origin Resource Sharing (CORS) for the Report and Dashboard Server.
Note that you should restart the website if you change this option's value.
Show Link to Classic Interface
Specifies whether to display the Use Classic Interface link at the toolbar's top right corner. This link allows you to switch to the classic Administrative Panel UI.