New tabs allow you for expansion of the designer with additional panels for widgets. This way you will never have problems with limited space on your application. To create a new tab, go to the designer application, and then click to add a new tab (1). Removing created tabs is possible by clicking on the close tab (2). After you create a tab you may give the name you choose. To do this, click on the tab itself - it’s name is highlighted and allow you to enter your custom name (3).