Guide

1. On Adobe Acrobat's main dashboard, find and select the PDF files you wish to combine. Simply tick the checkbox next to their filename.

2. After that, navigate to the right-side panel and select 'Combine' from the list of options.

3. Assign a new filename to the combined PDF files and enter it into the provided input field.

4. Once done, click 'Combine' at the top-right corner.

5. After completing these steps, the selected PDF files will be combined into one file.