diff --git a/PCbuild9/build_tkinter.py b/PCbuild9/build_tkinter.py
index 5423a3b..d76ea26 100644
--- a/PCbuild9/build_tkinter.py
+++ b/PCbuild9/build_tkinter.py
@@ -12,12 +12,10 @@
 here = os.path.abspath(os.path.dirname(__file__))
 par = os.path.pardir
 
-#TCL = "tcl8.4.16"
-#TIX = "Tix8.4.2"
-#TK = "tk8.4.16"
-TCL = "tcl8.4.12"
+TCL = "tcl8.4.16"
+TK = "tk8.4.16"
 TIX = "Tix8.4.0"
-TK = "tk8.4.12"
+#TIX = "Tix8.4.2"
 ROOT = os.path.abspath(os.path.join(here, par, par))
 NMAKE = "nmake /nologo "
 
@@ -57,9 +55,9 @@
     if True:
         os.chdir(os.path.join(ROOT, TIX, "win"))
         if clean:
-            system(NMAKE + "/f makefile.vc clean")
-        system(NMAKE + "/f makefile.vc MACHINE=%s" % machine)
-        system(NMAKE + "/f makefile.vc INSTALL_DIR=%s install" % dest)
+            system(NMAKE + "/f python9.mak clean")
+        system(NMAKE + "/f python9.mak MACHINE=%s" % machine)
+        system(NMAKE + "/f python9.mak install")
 
 
 def main():
diff --git a/PCbuild9/readme.txt b/PCbuild9/readme.txt
index 668a86b..791edb2 100644
--- a/PCbuild9/readme.txt
+++ b/PCbuild9/readme.txt
@@ -72,23 +72,32 @@
 
 _tkinter
     Python wrapper for the Tk windowing system.  Requires building
-    Tcl/Tk first.  Following are instructions for Tcl/Tk 8.4.12.
+    Tcl/Tk first.  Following are instructions for Tcl/Tk 8.4.16.
     
     NOTE: The 64 build builds must land in tcltk64 instead of tcltk.
 
     Get source
     ----------
     In the dist directory, run
-    svn export http://svn.python.org/projects/external/tcl8.4.12
-    svn export http://svn.python.org/projects/external/tk8.4.12
+    svn export http://svn.python.org/projects/external/tcl8.4.16
+    svn export http://svn.python.org/projects/external/tk8.4.16
     svn export http://svn.python.org/projects/external/tix-8.4.0
 
-    Build Tcl first (done here w/ MSVC 7.1 on Windows XP)
+    Build with build_tkinter.py
+    ---------------------------
+    The PCbuild9 directory contains a Python script which automates all
+    steps. Run the script in a Visual Studio 2009 command prompt with 
+
+      python build_tkinter.py Win32
+
+    Use x64 instead of Win32 for the x64 platform.
+    
+    Build Tcl first 
     ---------------
-    Use "Start -> All Programs -> Microsoft Visual Studio .NET 2003
-         -> Visual Studio .NET Tools -> Visual Studio .NET 2003 Command Prompt"
+    Use "Start -> All Programs -> Microsoft Visual Studio 2008
+         -> Visual Studio Tools -> Visual Studio 2008 Command Prompt"
     to get a shell window with the correct environment settings
-    cd dist\tcl8.4.12\win
+    cd dist\tcl8.4.16\win
     nmake -f makefile.vc
     nmake -f makefile.vc INSTALLDIR=..\..\tcltk install
 
@@ -103,9 +112,9 @@
 
     Build Tk
     --------
-    cd dist\tk8.4.12\win
-    nmake -f makefile.vc TCLDIR=..\..\tcl8.4.12
-    nmake -f makefile.vc TCLDIR=..\..\tcl8.4.12 INSTALLDIR=..\..\tcltk install
+    cd dist\tk8.4.16\win
+    nmake -f makefile.vc TCLDIR=..\..\tcl8.4.16
+    nmake -f makefile.vc TCLDIR=..\..\tcl8.4.16 INSTALLDIR=..\..\tcltk install
 
     XXX Should we compile with OPTS=threads?
 
@@ -113,7 +122,7 @@
     XXX directory.  Is all of that really needed for Python use of Tcl/Tk?
 
     Optional:  run tests, via
-        nmake -f makefile.vc TCLDIR=..\..\tcl8.4.12 test
+        nmake -f makefile.vc TCLDIR=..\..\tcl8.4.16 test
 
         On WinXP Pro, wholly up to date as of 30-Aug-2004:
         all.tcl:        Total   8420    Passed  6826    Skipped 1581    Failed  13
@@ -123,8 +132,8 @@
    Built Tix
    ---------
    cd dist\tix-8.4.0\win
-   nmake -f python.mak
-   nmake -f python.mak install
+   nmake -f python9.mak
+   nmake -f python9.mak install
 
 bz2
     Python wrapper for the libbz2 compression library.  Homepage