How do I edit a PDF document using word2013?

1. Open the Word 2013 application software.

2. Select "File" in the menu bar, as shown in the following illustration:

3. In the pop-up menu bar, select Open. As shown in figure:

4. Find the path to the PDF file you want to edit, as shown in figure:

5. Click the Open button. If it is the first time to open. Word pops up a dialog box that prompts the file to enter edit mode. As shown in figure:

6. Click "OK" button. You can edit the PDF document. As shown in figure