tkinter

[Chris Harwood]

Hi,

Python » 3.5.0 Documentation » The Python Standard Library » 25. Graphical User Interfaces with Tk » states that "You can check that tkinter is properly installed on your system by running python -m tkinter from the command line; this should open a window demonstrating a simple Tk interface."

Having recently installed Python 3.5.0 I find that python -m tkinter produces:
'python' is not recognised as an  internal or external command, operable program or batch file.

Can you help, please?

Thank you,

Chris Harwood.