Yeah newer windows (10 and 11) don't completely shut down, so you have to restart instead.

Since there are some unfrequent changes to the gpgnet protocol, old versions would not work with the current FAF lobby server.
Thus you will not find official support for running old versions.

In theory, if you start an older replay, all the files of that replays patch level get installed. But you cannot play online via FAF, but would have to play via LAN or some other solutions. I don't know to which extent this is currently possible.

Players have to have the mod installed in order to write a review

Download the client, install it and login?
It's all described here: https://www.faforever.com/play

So you have shown us that you can't link your account a second time. We still don't know what the error with the FAF Client is.

You have a connection problem. Your request to the API timed out. Maybe firewall issue.

The auto reconnect to chat was a victim of changes made to mitigate the ddos attacks and just has not been recoded yet

If you have too much money, just send it to me.

Yes, they are on a separate network drive at Getzner and everytime it loses connection (which happens a lot), our server cannot remount it for some reason.