Prompt Title: Create Multiple Files.

Sure, here are the step-by-step instructions for creating multiple files in Acrobat Pro:

1. Launch Acrobat Pro on your computer.

2. Open the first PDF file that you want to include in the multiple file document.

3. Click on "File" in the top left corner of the screen.

4. Select "Create" and then click on "Combine Files into a Single PDF."

5. In the Combine Files window, click on the "Add Files" button in the top left corner.

6. Select the additional PDF files that you want to include in the multiple file document.

7. Use the up and down arrows to reorder the files as needed.

8. Click on "Combine Files" in the bottom right corner.

9. Acrobat Pro will now merge the selected files into a single PDF document.

10. To save the multiple file document, click on "File" and then "Save As."

11. Enter a name for the document and select a location to save it.

12. Click on "Save" to save the document.

Congratulations, you have successfully created a multiple file document in Acrobat Pro!