First, for best results, we recommend the Google Chrome browser.
Second, print your web page by either using the 'File -> Print' method, or by using your computer keyboard shortcut (Windows: CTRL + P ... Mac: command + P).
Third, make sure to select the 'Destination' as 'Save as PDF'
Before you save, decide whether you want to show headers/footers (which will show you page numbers).
Finally, click the Save button to save your results as a PDF document. Be sure to re-name the file to make it easier to identify.