Who provides your email service? Or to ask that question another way,
what is the part of your email address after the @ symbol?
Your mail provider will typically have a web page that shows how to
set up an email program. If you need more help, tell us the name of
your email service provider.
Incidentally, you are posting from the future because your PC's
time zone is misconfigured. It is set for Pacific time zone when it
should be Central time zone as appropriate for your Chicago area
location.