@echo off
set USB=
for %%a in (C D E F G H I J K L M N O P Q R S) do if exist %%a:\winx\21h2\sources\setup.exe (
	set USB=%%a
	goto check
)
echo nu am gasit kitul de win10 21H2
pause
goto Exit
:check
for /f "tokens=6*" %%6 in ('vol %USB%:') do (
	if not x==x%%6 (
		if x%%6==xNTFS (
			goto Next
		)
		set USB=
	)
)
echo am gasit kit dar nu corespunde Volum Label
pause
goto Exit
:Next
@echo usb=%USB%
%USB%:\winx\21h2\sources\setup.exe
:Exit