XF 1.5 Possible to view the xenforo version from the inside files?


I have an old backup of my xenforo forum but I forgot to label the date or xenforo version.

I just realized it might be a 1.5 version backup and not version 2.

But before deleting it. I'm trying to determine which xenforo version it is so that I don't delete a version 2 or up backup.

I tried to get it working but it's not working. I think its because it's a xenforo version 1.5 and my php is version 8.

Is there somewhere in the files were it tells me what xenforo version it is?