@echo off
ver | find "XP" > nul
if not errorlevel 1 goto XP
ver | find "6.0." > nul
IF not errorlevel 1 goto VISTA
ver | find "6.1." > nul
if not errorlevel 1 goto WIN7
ver | find "6.2." > nul
if not errorlevel 1 goto WIN8
goto END
:XP
echo "XP"
goto END
:VISTA
echo "VISTA"
goto END
:WIN7
echo "WIN7"
goto END
:WIN8
echo "WIN8"
goto END
:END
pause