\documentclass[10pt, a4paper, oneside]{scrartcl}
\usepackage{lipsum}
\title{\normalfont{Technical Report: Loren Ipsum}}
\author{{Alex Murphy}}
\date{}
\begin{document}
\maketitle
\section*{Introduction}
\lipsum[1-3] % Dummy text
\end{document}
Above code generates below output,

But my supervisor forcing me to make indentation for all starting line of all paragraphs ( even for the initial line of section/subsection ). How can I do so?
indentfirstpackage could help. – leandriis Aug 08 '20 at 14:57