There's nothing complicated or difficult for you to install, and you can start using LaTeX right now, even if you've never seen it before. ShareLaTeX comes with a complete, ready to go LaTeX environment which runs on our servers.
With ShareLaTeX you get the same LaTeX set-up wherever you go. By working with your colleagues and students on ShareLaTeX, you know that you're not going to hit any version inconsistencies or package conflicts.
We support almost all LaTeX features, including inserting images, bibliographies, equations, and much more!
https://www.sharelatex.com/