1. Open the PDF editor software and open the PDF document to be edited.
2. After opening the document, select the page to be rotated in the thumbnail on the left, and hold down the Shift key to select multiple pages.
3. Then select Page Organization-Rotation on the toolbar at the top of the interface. As shown in the figure:
4. Then set the page range to all pages in the pop-up "Rotate Pages".
At this time, the page faces normal, so it is much more convenient for us to read.
6. Installation is complete. Finally, we can click the Save button. The next time you open a PDF document, the page will be in the normal orientation.