How to insert a figure?

(Optional) Upload your image file on your overleaf cloud

\begin{figure}[h!]
    \centering
    \includegraphics[width=0.5\textwidth]{Figures/figure1.pdf}
    \caption{Caption}
\end{figure}
\FloatBarrier %(Optional) This line prevents the pictures from being placed in an order I didn't intend.