LaTeX Beginner's Guide

LaTeX is a system for high-quality technical typesetting. Most mathematicians and many other people use LaTeX to typeset papers, exams, books, and more.

There are two options for using LaTeX to format a paper:  

• Using latex online, which allows you to write in LaTeX and access your files from any computer with an Internet connection. 
  • You can create an account on
    • Overleaf (https://www.overleaf.com/)
    • ShareLaTeX (https://www.sharelatex.com/)
    • Authorea (https://authorea.com/) 
• Installing latex on your personal computer.
  • There are various options available and few of them are: 
    • MikTeX (https://miktex.org/download)
    • TeXworks (http://www.tug.org/texworks/)

You can use Overleaf to create a document. Code for Latex is similar for most of the platforms.

Working with Overleaf:

• Register on Overleaf with a fee account:  https://www.overleaf.com/
• Once you have an account, login.
• Select the New Project option on the top left of the page.
• There are various options to create a document-- choose blank project to create project from scratch. "Example Projects" is projects overleaf offers and "Upload Project" is to upload your own existing project. You can also upload projects from GitHub.
• If you are creating a new project, choose blank project.
• Enter your project name and click on create.

See the below PDF for further tips for using LaTeX. 

Source:  https://www.overleaf.com/learn/