I don't know who said it doesn't work. I certainly didn't. I said it's not compatible with it, which means it might work or might not, or parts might work and others don't, or that it might work today and stop working tomorrow. It's not tested on that environment and not supported, so all bets are off.
Anyway, the activation servers for version 8 has been retired. You can get a new installer (and S/N) by following these instructions: