word count function

Question

how to use "Words: \quickwordcount" or word counting function with below structure at the main.tex? It could be another tex like wordcount.tex .

Thanks in advance.

\pagestyle{empty}
\begin{document}
\newgeometry{margin=1in}
\title {ABC} 
\author{ABC}
\date{February 28, 2023}
% -------------------- Title page -------------------- %
%TC:ignore
\maketitle
\thispagestyle{empty}
%TC:endignore
\input{body/abstract}
\input{body/keywords}
\clearpage
\singlespacing
\input{body/introduction}
\input{body/motive}
\input{body/localization_mechanism}
\input{body/case_selection}
\input{body/case_study}
\input{body/conclusion}
\clearpage
% \bibliographystyle{chicago}
\printbibliography
\end{document}