Click Format > Styles and Formatting, (The "Styles and Formatting" window appears.) Click the Page Styles, , icon.
Click the New Style From Selection, , icon > New Style from Selection. (The "Create Style" window appears.)
In the dialog box under Style Name, type Portrait. Click OK. (The word 'Portrait†is added to the list of "Page Stylesâ€)
Again, click the New Style From Selection, , icon > New Style from Selection.
In the dialog box under Style Name, type Landscape. Click OK. (The word 'Landscape†is added to the list of "Page Stylesâ€)
In the “Styles and Formatting†window, right-click Landscape. (A small menu appears with the choices, "New, Modify, Delete".) Click Modify (The "Page Style: Landscape" window appears.) Click the Page tab. At “Orientationâ€, click Landscape. (A dot appears before "Landscape") > OK. (The "Page Style: Landscape" window closes.)