Computer crashed; can I reacquire Elements 15?

Hi!  A little more than a year ago, I downloaded Photoshop Elements 15, but didn't make a backup copy. My computer crashed, and I have had to reload all my software, but I don't have Elements. I DO, however, have my Serial Number from the original download. Is there anything I can do to get the software back without having to purchase it again?

Thank you in advance for your answer!