diff --git a/build/WinSDK/Makefile.bat b/build/WinSDK/Makefile.bat
new file mode 100644
index 0000000..dcf942c
--- /dev/null
+++ b/build/WinSDK/Makefile.bat
@@ -0,0 +1,54 @@
+rem : set path to Windows SDK
+Set Reg.Key=HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Microsoft SDKs\Windows
+Set Reg.Val=CurrentInstallFolder
+Set Build_PATH=%CD%
+
+rem : set path for source EPANET files
+cd ..\..\include
+Set H_PATH=%CD%
+cd ..\src
+Set SRC_PATH=%CD%
+
+rem : set Windows SDK Path from registry
+For /F "Tokens=2*" %%A In ('Reg Query "%Reg.Key%" /v "%Reg.Val%" ^| Find /I "%Reg.Val%"' ) Do Call Set SDK_PATH=%%B
+
+
+rem : 64 bit
+rem : check pc architecture
+Set Reg.Qry=HKLM\Hardware\Description\System\CentralProcessor\0
+REG.exe Query %Reg.Qry% > checkOS.tmp
+Find /i "x86" < checkOS.tmp > StringCheck.tmp
+If %ERRORLEVEL% == 1 (
+	CALL "%SDK_PATH%bin\"SetEnv.cmd /x64 /release
+	rem : create EPANET2.DLL
+	cl -o epanet2.dll epanet.c hash.c hydraul.c inpfile.c input1.c input2.c input3.c mempool.c output.c quality.c report.c rules.c smatrix.c /I ..\include /I ..\run /link /DLL 
+	rem : create EPANET2.EXE
+	cl -o epanet2.exe epanet.c ..\run\main.c hash.c hydraul.c inpfile.c input1.c input2.c input3.c mempool.c output.c quality.c report.c rules.c smatrix.c /I ..\include /I ..\run /I ..\src /link
+	md "%Build_PATH%"\64bit
+	move /y "%SRC_PATH%"\*.dll "%Build_PATH%"\64bit
+	move /y "%SRC_PATH%"\*.exe "%Build_PATH%"\64bit
+	copy "%H_PATH%"\*.h "%Build_PATH%"\64bit
+)
+
+
+rem : 32 bit with DEF
+CALL "%SDK_PATH%bin\"SetEnv.cmd /x86 /release
+echo "32 bit with epanet2.def mapping"
+rem : create EPANET2.DLL
+cl -o epanet2.dll epanet.c hash.c hydraul.c inpfile.c input1.c input2.c input3.c mempool.c output.c quality.c report.c rules.c smatrix.c /I ..\include /I ..\run /link /DLL /def:..\build\WinSDK\epanet2.def /MAP
+rem : create EPANET2.EXE
+cl -o epanet2.exe epanet.c ..\run\main.c hash.c hydraul.c inpfile.c input1.c input2.c input3.c mempool.c output.c quality.c report.c rules.c smatrix.c /I ..\include /I ..\run /I ..\src /link
+md "%Build_PATH%"\32bit
+move /y "%SRC_PATH%"\*.dll "%Build_PATH%"\32bit
+move /y "%SRC_PATH%"\*.exe "%Build_PATH%"\32bit
+
+
+rem : a bit of housekeeping and cleaning
+del "%SRC_PATH%"\*.obj
+del "%SRC_PATH%"\*.exp
+del "%SRC_PATH%"\*.lib
+del "%SRC_PATH%"\*.map
+del "%SRC_PATH%"\*.tmp
+
+cd "%Build_PATH%"
+