Installing Elements 2019 on 2nd computer

I installed what I'm fairly sure is the 2019 version of Acrobat Elements on a 2020 iMac a month or two ago.  Little did I know 2020 was about to be released. But my immediate issue is, I want to install 2019 on a 2nd and older iMac.  I'm not sure what I did with the installation file or if I saved it on the 2020 iMac, which is located 200 miles distant from where I am now.   Since I just very recently purchaed the 2019 version, I'm not yet eager to buy the 2020 version. (Plus, I don't think the 2020 version will work on my older iMac.)  Is there a location from which I can download the 2019 version of Elements and install it on my 2011 iMac? If such a page does exist, I'm having a hard time finding it.