\documentclass{article}
\usepackage{xepersian}
\settextfont[Scale=1.1]{B Nazanin}
\setdigitfont{XB Zar}
\setlatintextfont[Scale=1.2]{Junicode}
\title{?? ????? ???? ?? ??????? ?? ?? ?????}
\author{??? ???? ?????}
\date{\today}
\begin{document}

\end{document}