This video shows the following:
The keyboard shortcut is shown for Mac only (command+N). Is there an equivalent for Windows?
File | New...
-- Alt + Insert using Default keymap.
NOTE:
On Windows (at least when using Default keymap) it shares the same shortcut with Code | Generate...
.. so the same shortcut will execute different action based on current context/location -- e.g. if invoked in Editor it will execute Code | Generate
and when invoked while in Project View panel -- New File
.