Manage views
By default, you don't have to perform changes here.
In the Window menu item, click on Manage views.
-> The dialog box Layout management is opened.
On the left side, choose the view type, on the right the desired arrangement.
Click on Laden.
-> The desired layout is immediately loaded.
Recover standard
May be some docking windows had been moved in order to try out something and now you want to return to the default settings.
Simply click on Recover standard.