To change settings manually
 to import settings from pre-existing email accounts

To use the Wizard:
This is the Eudora pro setup wizard, which will launch upon first-time startup. I don't think you can get it back again once you are past it the first time.
 

To create an account or modify settings without using the wizard:
Go to "Tools," select "Options."

That's all that is really required, but here are some other categories to look at for saving password, leaving mail on server, sending immediately or queuing outbound messages, etc.:

To use the wizard to import settings from an existing account (this can only be done via the Wizard, the first time):