Editing Markdown Files
Open markdown (.md) files or select File > New File > General > Markdown File to create a new file.
When you edit the file in the editor, you can see the changes in the preview.
To hide and show the views, select Show Preview and Show Editor. To swap the places of the views, select Swap Views.
Formatting Text
Use the buttons on the editor toolbar to format text as italic (i), bold (b), or inline code (`), and to create links to web sites ().