Please read the configuration page for setting up the LaTeX project structure. Highly recommended.
The documents are typically edited with
The documents are compiled with
Note: when using TeX utilities directly, you need to make sure the document has been fully processed. Usually this requires multiple compilation passes, interleaved with invocations of the auxiliary tools (glossary & bibliography generation etc.). Using the LaTeX frontend tools ( latexmk ) is highly recommended.
For more general instructions, this Youtube channel offers free videos on how to use ShareLaTeX. Unfortunately, the techniques listed in the videos may slightly differ from our official recommendations.