@echo off
rem Check Windows Version
echo You are on ...
for /f "tokens=4-5 delims=. " %%i in ('ver') do set VERSION=%%i.%%j
if "%version%" == "5.1" echo Windows XP
if "%version%" == "6.0" echo Windows Vista.
if "%version%" == "6.1" echo Windows 7.
if "%version%" == "6.2" echo Windows 8.
if "%version%" == "6.3" echo Windows 8.1
if "%version%" == "10.0" echo Windows 10.

echo OS version %version%
echo.

REM SET Value based on OS VERSION
IF %version% LSS 6.1 (
  rem user is using vista or older os
  rem CODE HERE

  ) ELSE (
  rem user is using Win 7 or newer os
  rem CODE HERE

  )

pause