diff --git a/src/INSTALLpc.txt b/src/INSTALLpc.txt
index 555a1d6..a73f718 100644
--- a/src/INSTALLpc.txt
+++ b/src/INSTALLpc.txt
@@ -60,18 +60,22 @@
 select "custom" and check all checkboxes under "Universal Windows App
 Development Tools".  Or whatever they are called now.
 (If you still want to target Windows XP, check also "Windows XP Support for
-C++".  Note that this is no longer supported.)
+C++".  Note that with the current source code this is no longer supported, you
+will have to check out an older version).
 
 
 Visual Studio
 -------------
 
-Building with Visual Studio (VS2010, VS2012, VS2013, VS2015, VS2017, VS2019
-and VS2022) is straightforward.
+Building with Visual Studio (VS2015, VS2017, VS2019 and VS2022) is
+straightforward.  Older versions probably don't work.
+
+Visual Studio installed a batch file called vcvars32.bat, which you must
+run to set up paths for nmake and MSVC.  We provide a batch file
+"msvc2015.bat" for this.  You may need to edit it if you didn't instal Visual
+Studio in the standard location.
 
 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.
 
 nmake -f Make_mvc.mak		console   Win32 SDK or Microsoft Visual C++
 nmake -f Make_mvc.mak GUI=yes	GUI	  Microsoft Visual C++
@@ -88,24 +92,13 @@
 See the specific files for comments and options.
 
 These files have been supplied by George V. Reilly, Ben Singer, Ken Scott and
-Ron Aaron; they have been tested.
+Ron Aaron; they have been tested.  But several things changed after that...
 
 
-Visual C++ 2010 Express Edition       *msvc-2010-express*
--------------------------------
-
-Visual C++ 2010 Express Edition can be downloaded for free from:
-    http://www.microsoft.com/express/vc/Default.aspx
-This includes the IDE and the debugger.
-
-To set the environment execute the msvc2010.bat script.  You can then build
-Vim with Make_mvc.mak.
-
-
-Targeting Windows XP with MSVC 2012 and later      *new-msvc-windows-xp*
+Targeting Windows XP with MSVC 2015 and later      *new-msvc-windows-xp*
 ---------------------------------------------
 
-(The support for pre-Vista was removed in patch 9.0.0xxx.  If you want to
+(The support for pre-Vista was removed in patch 9.0.0496.  If you want to
 target Windows XP, use the source code before that.)
 
 Beginning with Visual C++ 2012, Microsoft changed the behavior of LINK.EXE
@@ -157,42 +150,13 @@
 
 OLDER VERSIONS
 
-The minimal supported version is Windows 7. Building with older compilers
-might still work, but these instructions might be outdated.
+The minimal supported version is Windows 7. Building with compilers
+older than 2015 most likely doesn't work.  Since MSVC 2015 can be obtained for
+free there is no point in supporting older versions.
 
 If you need the executable to run on Windows 98 or ME, use the 2005 one
-|msvc-2005-express|, and use the source code before 8.0.0029.
-
-
-Visual C++ 2005 Express Edition       *msvc-2005-express*
--------------------------------
-
-NOTE: this most likely does not work
-
-Visual C++ 2005 Express Edition can be downloaded for free from:
-    http://msdn.microsoft.com/vstudio/express/visualC/default.aspx
-This includes the IDE and the debugger. You will also need
-|ms-platform-sdk|. You can build Vim with Make_mvc.mak.
-
-Instructions for integrating the Platform SDK into VC Express:
-    http://msdn.microsoft.com/vstudio/express/visualc/usingpsdk/default.aspx
-
-
-Visual C++ 2008 Express Edition       *msvc-2008-express*
--------------------------------
-
-NOTE: this most likely does not work
-
-Visual C++ 2008 Express Edition can be downloaded for free from:
-    http://www.microsoft.com/express/downloads/
-This includes the IDE and the debugger.
-
-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.
+|msvc-2005-express|, and use the source code before 8.0.0029.  See the
+src/INSTALLpc.txt file for instructions.
 
 
 2. MSYS2 with MinGW
diff --git a/src/msvc2008.bat b/src/msvc2008.bat
deleted file mode 100644
index c1cd76a..0000000
--- a/src/msvc2008.bat
+++ /dev/null
@@ -1,7 +0,0 @@
-@echo off
-rem To be used on MS-Windows for Visual C++ 2008 Express Edition
-rem   aka Microsoft Visual Studio 9.0.
-rem See INSTALLpc.txt for information.
-@echo on
-
-call "%VS90COMNTOOLS%vsvars32.bat"
diff --git a/src/msvc2010.bat b/src/msvc2010.bat
deleted file mode 100644
index 5c258e9..0000000
--- a/src/msvc2010.bat
+++ /dev/null
@@ -1,7 +0,0 @@
-@echo off
-rem To be used on MS-Windows for Visual C++ 2010 Express Edition
-rem   aka Microsoft Visual Studio 10.0.
-rem See INSTALLpc.txt for information.
-@echo on
-
-call "%VS100COMNTOOLS%vsvars32.bat"
diff --git a/src/version.c b/src/version.c
index d40a598..40273fc 100644
--- a/src/version.c
+++ b/src/version.c
@@ -700,6 +700,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    524,
+/**/
     523,
 /**/
     522,