Need to open an XD file, but can't find the program anywhere

Hello Forum,

I have a single XD file that I need to open. I don't need the program for anything else than that. I know there used to be a free version, but I can't find any version currently. I see that it's been discontinued, but the information's kinda iffy.

I don't want to put money in a product that's not being developed. Especially since I just need to open a single file. Can I get your permission to download the program for free from a third party?

Greetings,

Daniel