\documentclass{scrartcl}
\usepackage[utf8]{inputenc}
\usepackage[T1]{fontenc}
\begin{document}
	
\author{John Doe}
\title{My Title}
\subtitle{A Subtitle}
\maketitle
	
\begin{abstract}
abstract
\end{abstract}

\section{Section one}

Bla.
	
\end{document}