[header] How to change a page to landscape on microsoft word on pc or mac [title] Open the document in microsoft word. [step] You can do this by double-clicking the document on your computer. [substeps] Alternatively, open microsoft word first (under all apps in the start menu on windows, or in the applications folder on macos), then open the document. 
[title] Click the layout or page layout menu. [step] It's at the top of the screen.