First, click Page Layout on the Word menu bar, and then select paper Orientation-Landscape to change the page to landscape;
Second, then you can press CTRL + Mouse pulley scrolling, reduce the word interface to see the paper direction of Word;
Third, if you want to change the specified interface to different directions, first click on the menu bar "Insert-pagination";
After creating a new interface, at the end of the previous page, click Page Layout-section break, and insert a section break.
Then on the page, click Paper Orientation-Portrait, and you'll see that only the corresponding interface is adjusted to portrait.