Downloads for Office Home and Student 2019 for mac air m4

Hi All, I am upgrading my laptop from Windows to Mac and I have licence of MS Office 2019 Home and Student edition. However I am not finding the download for it in offical pages. I understand the support and fixes for 2019 is alreay over. However I still would like to use it. How can I downlaod the installables for mac for office 2019?