\documentclass{article}
%~~~~~~~~~ Document setup
\usepackage[english]{babel} % English formatting
\usepackage[utf8]{inputenc} % Standard encoding
\usepackage[a4paper,left=3cm,bottom=3cm]{geometry} % Page formatting
\usepackage{indentfirst} % Indents the first paragraph
\usepackage{amsmath} % Maths type package
\usepackage{bm} % Bold font maths
\usepackage{graphicx} % Advanced graphics package
\usepackage[export]{adjustbox}
\usepackage{pdflscape} % Make pages landscape
\usepackage{fancyhdr} % Fancy headers
\usepackage[colorlinks=true,citecolor=blue,urlcolor=blue,linkcolor=black]{hyperref} % Link colours
\usepackage{natbib} % Bibliography
\usepackage{flafter} % Reference any 'float'
\usepackage[framemethod=tikz]{mdframed} % Box off stuff
\usepackage{color} % Colour support
\usepackage{wrapfig} % Text flowing around figures
\usepackage{lipsum} % Generates meaningless text
\graphicspath{ {Images/} } % Folder for images
%~~~~~~~~~ Multi-column setup
\usepackage{multicol} % Multi Column Environment
\setlength{\columnsep}{1cm}
\setlength{\columnseprule}{1pt}
\def\columnseprulecolor{\color{black}} % comment this to remove the line
\usepackage{float} % Lets you add images to multi-column environment
%~~~~~~~~~ Title
\title{LaTeX (LAH-tekh) Tutorial}
\author{Kat}
\date{\today}
%~~~~~~~~~ Document start
\begin{document}
\maketitle
%~~~~~~~~~ Bibliography
%\bibliographystyle{abbrvnat}
%\setcitestyle{authoryear}
%\bibliography{bib}
\end{document}