documentclass[conference]{IEEEtran}
usepackage{caption}
captionsetup{justification=centering}
ifCLASSINFOpdf
   usepackage[pdftex]{graphicx}
else
fi
begin{document}
subsection{Section} label{section}
begin{enumerate}
    item emph{Item} - Initial stuff.
    item emph{Item 2} – Here is some stuff.
    begin{itemize}
        item Stuff
        item Stuff
    end{itemize}
    item emph{Item 3} - More stuff
    item emph{Item 4} – Also stuff
end{enumerate}
bibliographystyle{IEEEtran}
end{document}