How to Edit PDF File
This article isn't about some piece of software that lets you edit a PDF file directly. This is about creating a new PDF document from an existing one, with some changes in the content. Here's how we are going to "edit" a PDF file.
1. Choose the PDF file you want to modify. Convert it to a Word document.
2. Now edit the Word document.
3. Convert the modified Word document to PDF again.
There you have it. All the services listed above are free. Enjoy!