how to insert images latex code example

Example 1: include image latex

\documentclass{article}

\usepackage{graphicx}

\begin{document}

\begin{figure}
  \includegraphics[width=\linewidth]{boat.jpg}
  \caption{A boat.}
  \label{fig:boat1}
\end{figure}

Figure \ref{fig:boat1} shows a boat.

\end{document}

Example 2: include picture in latex

\usepackage{graphicx}
\graphicspath{ {./images/} }
\includegraphics{image}

Example 3: how to insert png latex

\includegraphics[scale=0.65]{screenshot.png}

Example 4: insert figure latex

%Path relative to the main .tex file 
\graphicspath{ {./images/} }