1. Extract the files in this ZIP archive to a folder on your computer
  2. Using an FTP client, upload the files up to your server
  3. Make sure the cache folder and its two sub-folders are writable (you might need to change permissions to 777)
  4. Access index.php through your browser. E.g.
  5. If you haven't done so already, click on the link to run the compatibility test to see if your server meets the requirements
  6. Enter a URL in the form field to test the code
  7. If you get a PDF with the content you requested, all is working well.