Use a PDF editor such as Adobe Acrobat, Foxit PDF Editor, or PDF-XChange Editor
Open the PDF file in the editor
Select the edit tool
Click the text or image you want to change
Type new text or replace existing content
Move, resize, or delete elements as needed
Add annotations, comments, or highlights if required
Save the edited file as a new PDF
Use online PDF editors if you do not want to install software
Convert the PDF to Word or another editable format if direct editing is limited
Recreate the PDF after making changes if the file is scanned or locked