Index: Misc/NEWS
===================================================================
--- Misc/NEWS	(revision 83159)
+++ Misc/NEWS	(working copy)
@@ -473,6 +473,8 @@
 Library
 -------
 
+- Issue #9384: python -m tkinter will now display a simple demo applet.
+
 - Issue #7113: Speed up loading in configparser. Patch by Łukasz Langa.
 
 - Issue #9032: XML-RPC client retries the request on EPIPE error. The EPIPE
Index: Doc/library/tkinter.rst
===================================================================
--- Doc/library/tkinter.rst	(revision 83159)
+++ Doc/library/tkinter.rst	(working copy)
@@ -6,10 +6,13 @@
 .. moduleauthor:: Guido van Rossum <guido@Python.org>
 
 
-The :mod:`tkinter` package ("Tk interface") is the standard Python interface to
-the Tk GUI toolkit.  Both Tk and :mod:`tkinter` are available on most Unix
-platforms, as well as on Windows systems.  (Tk itself is not part of Python; it
-is maintained at ActiveState.)
+The :mod:`tkinter` package ("Tk interface") is the standard Python
+interface to the Tk GUI toolkit.  Both Tk and :mod:`tkinter` are
+available on most Unix platforms, as well as on Windows systems.  (Tk
+itself is not part of Python; it is maintained at ActiveState.)  You
+can check that :mod:`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.
 
 .. seealso::
 
Index: Lib/tkinter/__main__.py
===================================================================
--- Lib/tkinter/__main__.py	(revision 0)
+++ Lib/tkinter/__main__.py	(revision 0)
@@ -0,0 +1,7 @@
+"""Main entry point"""
+
+import sys
+if sys.argv[0].endswith("__main__.py"):
+    sys.argv[0] = "python -m tkinter"
+from . import _test as main
+main()