\documentclass[]{beamer}
\usepackage[T1]{fontenc} \usepackage[latin1]{inputenc} \usepackage[frenchb]{babel}
\usetheme{Boadilla}
\title{Beamer} \subtitle{Test} \author{Author} \date{2017}
\begin{document} \tableofcontents \section{Section} \begin{frame} Text \end{frame} \begin{frame} Text \end{frame} \section{Section} \subsection{Sous-section} \begin{frame} Text \end{frame} \subsection{Sous-section} \begin{frame} Text \end{frame} \end{document}