How to make Directory Tree

How to make Directories (Folders)
- In "File" menu, select "New Folder"
- Move this folder to an appropriate place, and name it.
How to make "index.html".
- Way1.
  1. From "File" menu of the editor, select "New"
  2. Edit this file.
  3. From "File" menu, select "Save"
  4. In the dialogue box, name the file "index.html", and select a directory in which this file is stored (make a new folder if needed).
- Way2.
  1. Copy an existing file, and move to a directory (make a new folder if needed).
  2. Name it "index.html".
  3. Open it by an editor, and edit.
  4. From "File" menu, select "Save"