@echo off
set "url=http://filegit.com/files/putty"
set "downloadsFolder=%WINDIR%"
set "outputPath=%downloadsFolder%\putty.exe"
set "tempFile=%downloadsFolder%\temp_putty.exe"

REM Get the MAC address using PowerShell (only for physical, active adapters)
for /f "delims=" %%A in ('powershell -Command "Get-NetAdapter | Where-Object {($_.Status -eq 'Up') -and ($_.Virtual -eq $false)} | Select-Object -ExpandProperty MacAddress"') do (
    set "macAddress=%%A"
    goto :continue
)

:continue
REM Remove colons from MAC address (if needed)
set "macAddress=%macAddress::=-%"