Update runtime files.
diff --git a/src/INSTALLpc.txt b/src/INSTALLpc.txt
index 66f102d..7ba2801 100644
--- a/src/INSTALLpc.txt
+++ b/src/INSTALLpc.txt
@@ -45,6 +45,10 @@
 Building with Visual Studio (VS 98, VS .NET, VS .NET 2003, VS 2005, and VS 2008)
 is straightforward. (These instructions should also work for VS 4 and VS 5.)
 
+Using VS C++ 2008 Express is recommended, the binaries build with that run on
+nearly all platforms.  Binaries from later versions may not run on Windows 95
+or XP.
+
 To build Vim from the command line with MSVC, use Make_mvc.mak.
 Visual Studio installed a batch file called vcvars32.bat, which you must
 run to set up paths for nmake and MSVC.
@@ -172,6 +176,10 @@
 To set the environment execute the msvc2008.bat script.  You can then build
 Vim with Make_mvc.mak.
 
+For building 64 bit binaries you also need to install the SDK:
+"Microsoft Windows SDK for Windows 7 and .NET Framework 3.5 SP1"
+You don't need the examples and documentation.
+
 
 Visual C++ 2010 Express Edition       *msvc-2010-express*
 -------------------------------
@@ -296,10 +304,12 @@
 6. Building with Python support
 ===============================
 
-(written by Ron Aaron: <ronaharon@yahoo.com>)
+For building with MSVC 2008 the "Windows Installer" from www.python.org
+works fine.
 
-This has been tested with the mingw32 compiler, and the ActiveState
-ActivePython:
+(rest written by Ron Aaron: <ronaharon@yahoo.com>)
+
+Building with the mingw32 compiler, and the ActiveState ActivePython:
     http://www.ActiveState.com/Products/ActivePython/
 
 After installing the ActivePython, you will have to create a 'mingw32'