diff --git a/README.md b/README.md
index fa787f3b..3503dd32 100644
--- a/README.md
+++ b/README.md
@@ -39,8 +39,8 @@
 . . . . . . . . . . [Linux - Dependencies](#linux---dependencies)  
 . . . . . . [Windows](#windows)  
 . . . . . . . . [Required related files](#required-related-files)  
-. . . . . . . . [Visual Studio (Standard or Express) 2008, 2010, 2012, 2013 or Visual Studio Community 2015](#visual-studio-standard-or-express-2008-2010-2012-2013-or-visual-studio-community-2015)  
-. . . . . . . . [MinGW](#mingw)  
+. . . . . . . . [Visual Studio (Standard or Express) 2008, 2010, 2012, 2013 or Visual Studio Community 2015, 2017, 2019](#visual-studio-standard-or-express-2008-2010-2012-2013-or-visual-studio-community-2015-2017-2019)  
+. . . . . . . . [MinGW32](#mingw32)  
 . . . . . . [VMS](#vms)  
 . . [Problem Reports](#problem-reports)  
 
@@ -551,13 +551,13 @@ Compiling on windows is supported with recent versions of Microsoft Visual Studi
 ##### Required related files
 The file https://github.com/simh/simh/blob/master/Visual%20Studio%20Projects/0ReadMe_Projects.txt
 
-##### Visual Studio (Standard or Express) 2008, 2010, 2012, 2013 or Visual Studio Community 2015
+##### Visual Studio (Standard or Express) 2008, 2010, 2012, 2013 or Visual Studio Community 2015, 2017, 2019
 
 The file https://github.com/simh/simh/blob/master/Visual%20Studio%20Projects/0ReadMe_Projects.txt describes the required steps to use the setup your environment to build using Visual Studio.
 
-##### MinGW
+##### MinGW32
 
-The file https://github.com/simh/simh/blob/master/Visual%20Studio%20Projects/0ReadMe_Projects.txt describes the required steps to use the setup your environment to build using MinGW.
+The file https://github.com/simh/simh/blob/master/Visual%20Studio%20Projects/0ReadMe_Projects.txt describes the required steps to use the setup your environment to build using MinGW32.
 
 #### VMS
 
diff --git a/Visual Studio Projects/0ReadMe_Projects.txt b/Visual Studio Projects/0ReadMe_Projects.txt
index a51c29ae..365712d8 100644
--- a/Visual Studio Projects/0ReadMe_Projects.txt	
+++ b/Visual Studio Projects/0ReadMe_Projects.txt	
@@ -26,7 +26,10 @@ For Example, the directory structure should look like:
     .../simh/windows-build/winpcap/WpdPack/Include/pcap.h
     .../simh/windows-build/libSDL/SDL2-2.0.3/include/SDL.h
 
-The contents of the windows-build directory can be downloaded from:
+If you have a command line version of git installed in your environment
+then the windows-build repository will be downloaded and updated 
+automatically.  If not, then the contents of the windows-build directory 
+can be downloaded from:
 
     https://github.com/simh/windows-build/archive/windows-build.zip
 
@@ -61,3 +64,7 @@ If you are using a version of Visual Studio beyond Visual Studio 2008, then
 your later version of Visual Studio will automatically convert the Visual 
 Studio 2008 project files.  You should ignore any warnings produced by the 
 conversion process.
+
+If you have a version of Visual Studio installed and want to build all the
+simulators from a command prompt, the file build_vstudio.bat in the root
+of the simh source tree will do that without any furthur interaction.
\ No newline at end of file
diff --git a/build_vstudio.bat b/build_vstudio.bat
new file mode 100644
index 00000000..8448abc1
--- /dev/null
+++ b/build_vstudio.bat
@@ -0,0 +1,130 @@
+@echo off
+:: Rebuild all of SIMH simulators using Visual Studio
+::
+:: If this procedure is not invoked from a Developer command prompt
+:: then the VS2008 tools are preferred if VS2008 is installed, 
+:: otherwise the installed Visual Studio tools will be used 
+:: prefering newer Visual Studio versions over older ones.
+::
+:: If this procedure is invoked from a Developer command prompt
+:: then the tool chain provided with the command prompt is used
+:: to build the simh projects.
+::
+:: A single argument to this procedure may be the word Debug, which 
+:: will cause Debug binaries to be build rather than the Release 
+:: binaries which is the default.
+::
+:: Individual simulator sources are in .\simulator_name
+:: Individual simulator executables are produced in .\BIN\NT\Win32-{Debug or Release}\
+::
+::
+
+set _BUILD_CONFIG=Release
+if /i "%1" == "Debug" set _BUILD_CONFIG=Debug
+set _VC_VER=
+call :FindVCVersion _VC_VER
+if not "%_VC_VER%" == "" goto GotVC
+if exist "%ProgramFiles(x86)%\Microsoft Visual Studio 9.0\VC\vcvarsall.bat" call "%ProgramFiles(x86)%\Microsoft Visual Studio 9.0\VC\vcvarsall.bat" 
+call :FindVCVersion _VC_VER
+if not "%_VC_VER%" == "" goto GotVC
+if exist "%ProgramFiles(x86)%\Microsoft Visual Studio\2019\Community\VC\Auxiliary\Build\vcvars32.bat" call "%ProgramFiles(x86)%\Microsoft Visual Studio\2019\Community\VC\Auxiliary\Build\vcvars32.bat"
+call :FindVCVersion _VC_VER
+if not "%_VC_VER%" == "" goto GotVC
+if exist "%ProgramFiles(x86)%\Microsoft Visual Studio\2017\Community\VC\Auxiliary\Build\vcvars32.bat" call "%ProgramFiles(x86)%\Microsoft Visual Studio\2017\Community\VC\Auxiliary\Build\vcvars32.bat"
+call :FindVCVersion _VC_VER
+if not "%_VC_VER%" == "" goto GotVC
+if exist "%ProgramFiles(x86)%\Microsoft Visual Studio 14.0\VC\vcvarsall.bat" call "%ProgramFiles(x86)%\Microsoft Visual Studio 14.0\VC\vcvarsall.bat" x86
+call :FindVCVersion _VC_VER
+if not "%_VC_VER%" == "" goto GotVC
+if exist "%ProgramFiles(x86)%\Microsoft Visual Studio 12.0\VC\vcvarsall.bat" call "%ProgramFiles(x86)%\Microsoft Visual Studio 12.0\VC\vcvarsall.bat" x86
+call :FindVCVersion _VC_VER
+if not "%_VC_VER%" == "" goto GotVC
+if exist "%ProgramFiles(x86)%\Microsoft Visual Studio 10.0\VC\vcvarsall.bat" call "%ProgramFiles(x86)%\Microsoft Visual Studio 10.0\VC\vcvarsall.bat" x86
+call :FindVCVersion _VC_VER
+if not "%_VC_VER%" == "" goto GotVC
+
+echo ** ERROR ** ERROR ** ERROR ** ERROR ** ERROR ** ERROR **
+echo ** ERROR ** ERROR ** ERROR ** ERROR ** ERROR ** ERROR **
+echo **                                                    **
+echo **   I can't find a Visual Studio version installed   **
+echo **   in the default location on this system.          **
+echo **                                                    **
+echo **   If you haven't installed any version of Visual   **
+echo **   Studio yet, you must install one before this     **
+echo **   procedure can be used.  The earliest Visual      **
+echo **   Studio version that is supported is VS2008 which **
+echo **   can be downloaded and installed from:            **
+echo **                                                    **
+echo http://download.microsoft.com/download/E/8/E/E8EEB394-7F42-4963-A2D8-29559B738298/VS2008ExpressWithSP1ENUX1504728.iso
+echo **                                                    **
+echo **   Newer versions of Visual Studio are also         **
+echo **   supported, but the initial build will have to    **
+echo **   convert the VS2008 project definitions.          **
+echo **                                                    **
+echo **   If you installed a version of Visual Studio C++  **
+echo **   in a non default location, then you must invoke  **
+echo **   this procedure from a developer command prompt   **
+echo **   for the version of Visual Studio you have        **
+echo **   installed.                                       **
+echo **                                                    **
+echo ** ERROR ** ERROR ** ERROR ** ERROR ** ERROR ** ERROR **
+echo ** ERROR ** ERROR ** ERROR ** ERROR ** ERROR ** ERROR **
+exit /b 1
+
+:WhichInPath
+if "%~$PATH:1" EQU "" exit /B 1
+set %2=%~$PATH:1
+exit /B 0
+
+:FindVCVersion
+call :WhichInPath cl.exe _VC_CL_
+for /f "tokens=3-9 delims=\" %%a in ("%_VC_CL_%") do call :VCCheck _VC_VER_NUM_ "%%a" "%%b" "%%c" "%%d" "%%e" "%%f" "%%g"
+for /f "delims=." %%a in ("%_VC_VER_NUM_%") do set %1=%%a
+set _VC_CL=
+exit /B 0
+
+:VCCheck
+set _VC_TMP=%1
+:_VCCheck_Next
+shift
+set _VC_TMP_=%~1
+if "%_VC_TMP_%" equ "" goto _VCCheck_Done
+if "%_VC_TMP_:~0,24%" EQU "Microsoft Visual Studio " set %_VC_TMP%=%_VC_TMP_:Microsoft Visual Studio =%
+call :IsNumeric _VC_NUM_ %_VC_TMP_%
+if "%_VC_NUM_%" neq "" set %_VC_TMP%=%~1
+if "%_VC_NUM_%" neq "" goto _VCCheck_Done
+goto _VCCheck_Next
+:_VCCheck_Done
+set _VC_TMP_=
+set _VC_TMP=
+set _VC_NUM_=
+exit /B 0
+
+:IsNumeric
+set _Numeric_TMP_=%~1
+set _Numeric_Test_=%2
+set _Numeric_Test_=%_Numeric_Test_:~0,1%
+set %_Numeric_TMP_%=
+if "%_Numeric_Test_%"=="0" set %_Numeric_TMP_%=1
+if "%_Numeric_Test_%"=="1" set %_Numeric_TMP_%=1
+if "%_Numeric_Test_%"=="2" set %_Numeric_TMP_%=1
+if "%_Numeric_Test_%"=="3" set %_Numeric_TMP_%=1
+if "%_Numeric_Test_%"=="4" set %_Numeric_TMP_%=1
+if "%_Numeric_Test_%"=="5" set %_Numeric_TMP_%=1
+if "%_Numeric_Test_%"=="6" set %_Numeric_TMP_%=1
+if "%_Numeric_Test_%"=="7" set %_Numeric_TMP_%=1
+if "%_Numeric_Test_%"=="8" set %_Numeric_TMP_%=1
+if "%_Numeric_Test_%"=="9" set %_Numeric_TMP_%=1
+set _Numeric_TMP_=
+set _Numeric_Test_=
+exit /B 0
+
+:GotVC
+SET _X_SLN_VERSION=
+for /F "usebackq tokens=8" %%a in (`findstr /C:"Microsoft Visual Studio Solution File, Format Version" ".\Visual Studio Projects\simh.sln"`) do SET _X_SLN_VERSION=%%a
+if "%_VC_VER%" == "9" cd "Visual Studio Projects" & vcbuild /M4 /useenv /rebuild Simh.sln "%_BUILD_CONFIG%|Win32" & goto :EOF
+if not "%_X_SLN_VERSION%" == "10.00" cd "Visual Studio Projects" & echo Converting the VS2008 projects to VS%_VC_VER%, this will take several (3-5) minutes & DevEnv /Upgrade "simh.sln"
+pushd "Visual Studio Projects"
+MSBuild simh.sln /maxCpuCount:4" -Target:Rebuild /Property:Configuration=%_BUILD_CONFIG% /Property:Platform=Win32
+popd
+