\documentclass[12pt,a4paper,oneside]{article}
%\usepackage[german]{babel}
\usepackage{Template}
%\usepackage[onehalfspacing]{setspace}
%=========================================================
\title{\bfseries Title}
\author{Author}
\date{\today}
%=========================================================

\begin{document}

%\maketitlepage
%\maketitle

%\begin{abstract}
%Abstract.
%\end{abstract}

%\tableofcontents

a

\end{document}