Open the PDF editor software or online PDF editor
Import or open the PDF file you want to edit
Select the edit tool or mode
Click the text, image, or object you want to change
Type new text or modify the existing content
Add, delete, or replace images if needed
Use annotation tools to highlight, comment, or draw
Rearrange, add, or remove pages if the editor allows it
Save the edited PDF file
Export or download the final PDF file