@ECHO off
cls
:start
ECHO.
ECHO 1. NextDNS
ECHO 2. Cloud Flare 1.1.1.1
set /p choice=Type the number to print text.
rem if not '%choice%'=='' set choice=%choice:~0;1% (don`t use this command, because it takes only first digit in the case you type more digits. After that for example choice 23455666 is choice 2 and you get "bye"
if '%choice%'=='' ECHO "%choice%" is not valid please try again
if '%choice%'=='1' goto next
if '%choice%'=='2' goto cloudflare

ECHO.
goto start
:next
netsh interface ip del dnsservers "Ethernet" 1.1.1.1
netsh interface ip add dnsservers "Ethernet" 45.90.XX.XX
netsh interface ip add dnsservers "Ethernet" 45.90.XX.XX
ipconfig /flushdns
netsh interface ip show dnsservers "Ethernet"
goto end
:cloudflare
netsh interface ip del dnsservers "Ethernet" 45.90.XX.XX
netsh interface ip del dnsservers "Ethernet" 45.90.XX.XX
netsh interface ip add dnsservers "Ethernet" 1.1.1.1
ipconfig /flushdns
netsh interface ip show dnsservers "Ethernet"
goto end
:end
pause
exit