\documentclass{article}
\usepackage[LGR,T1]{fontenc}
\usepackage[semibold,medium,sfdefault]{librefranklin}
\usepackage{textcomp}
\usepackage{lipsum}
\begin{document}

\subsection*{Regular}
\lipsum[1]

\subsection*{Italic}
\textit{\lipsum[2]}

\subsection*{Bold}

\textbf{\lipsum[3]}



\subsection*{Bold Italic}

\textbf{\textit{\lipsum[4]}}

\subsection*{Default Numbers}

1234567890

\subsection*{Superior Numbers}

X{\sufigures 1234567890}


\subsection*{Ligatures}

Officially broken off. Often offline, find me flowerless.


\end{document}