Many other related vides can be found here.
Lots of tutorials and quick starts out there:
There are specific editors and GUI programs to help you with LaTex (e.g. texmaker, lyx, and kile for linux, which are installed on CS machines, and miktex for windows). Personally, I either do things at the commandline and use emacs/aquamacs for editing or use one of two very good online systems: ( Overleaf or ShareLatex).
See the Remote Access page department wiki.