Double click OOTP2006, navigate through eSellerate software delivery...
Wait, what's this?
Okay, that's what had me stuck for a while. Checking the new guide, I saw something I hadn't noticed - holding down the control key during startup let's you go to an optional re-install menu (which I tried of course), not that I've ever registered to begin with.
Only to get as far as this:
Thanks, eSellerate!
So, that's as far as I've managed to go. What next?