winkey + R to open run and put "winver"

@echo off

Title Check Windows Version

for /f "tokens=4-7 delims=[.] " %%i in ('ver') do (if %%i==Version (set v=%%j.%%k) else (set v=%%i.%%j))

if "%v%" == "10.0" set "myOS=Windows 10"

if "%v%" == "6.3" set "myOS=Windows 8.1"

if "%v%" == "6.2" set "myOS=Windows 8"

if "%v%" == "6.1" set "myOS=Windows 7"

if "%v%" == "6.0" set "myOS=Windows Vista"

if "%v%" == "5.2" set "myOS=Windows XP" & REM WinXP 64Bit Edition

if "%v%" == "5.1" set "myOS=Windows XP"

if "%v%" == "5.0" set "myOS=Windows 2000"

cls

echo Current OS version: %myOS%

pause >NUL

@exit /B