hyperref — Hyperlinks, Cross-References & PDF Metadata

CTAN: https://ctan.org/pkg/hyperref
Manual: texdoc hyperref

Setup

% LOAD HYPERREF LAST (or near last) — it redefines many commands
\usepackage[
  colorlinks=true,
  linkcolor=blue,
  citecolor=green!50!black,
  urlcolor=blue!70!black,
  pdftitle={My Document Title},
  pdfauthor={Author Name},
]{hyperref}