EE installed OK (and weblog loads OK), and it told me where the Control Panel is, but I forgot to write it down!

When you installed EE you uploaded the files.  The stock install has a “system” folder, however it suggests that you rename that folder.  So your control panel will be in yourdomain.com/system where system is whatever you renamed that folder to.

Hope that helps!

Thanks much. <dons astronaut suit, takes spacewalk into dazzling world of EE>