This tutorial will show you how to update TorChat's old Windows version. Without following these steps you won't be able to use TorChat to communicate with non-Windows users or Windows users who already updated their TorChat. If you currenlty have contacts on torchat, make sure they update too, because they won't be able to contact you if they don't.
Sorry for using a German copy of Windows for this tutorial. But I think the steps are self-explaining even without understanding the texts.
If you haven't installed TorChat yet, you can download it here
The first time you start it, it looks like this:
When you add a contact with a recent tor version, you only see a blue symbol. This means you can contact the contact, but your contact won't connect back (because of your old tor version):
If you don't already have TorBrowser, download the latest version here:
Optionally you can delete the hidden_service directory, to generate a new id. Or you can delete the tor_data directory, to make sure, tor downloads fresh directory information and doesn't use stale data.