elevate_with_uac.cmd

@echo off
:-------------------------------------
REM  --> Check for permissions
IF "%PROCESSOR_ARCHITECTURE%" EQU "amd64" (
>nul 2>&1 "%SYSTEMROOT%\SysWOW64\cacls.exe" "%SYSTEMROOT%\SysWOW64\config\system"
) ELSE (
>nul 2>&1 "%SYSTEMROOT%\system32\cacls.exe" "%SYSTEMROOT%\system32\config\system"
)

REM --> If error flag set, we do not have admin.
if '%errorlevel%' NEQ '0' (
    powershell.exe Start-Process -Wait -Verb runAs -FilePath "cmd.exe" -ArgumentList "/s","/c","%~f0" 
    exit /b
) 

set current_dir=%~dp0
cd %current_dir%
%current_dir:~0,2%

REM --> Exec batch

...