By default, the Standard view window is open when you start a project. Also, every time you create a new view window in the View Manager, that window is automatically opened for you. You can close individual view windows using the View Manager’s Close View button, or by clicking the view window’s Close button.
To close a view window from within the window itself:
Click the Close button in the top right corner of the view window.
To close a view window using the View Manager:
Select View
> View Manager, or click the View Manager button on the Advanced
View Control toolbar.
Select the view you want to close.
Click Close View.