PowerShell: Download Dot Net 4.7.2

# Illustration: download Dot Net 4.7 Run-time from behind a proxy and showing progress bar

function downloadDotNet472{
    # Change these values to reflect your desired downloads
    $fileURL = "https://download.microsoft.com/download/6/E/4/6E48E8AB-DC00-419E-9704-06DD46E5F81D/NDP472-KB4054530-x86-x64-AllOS-ENU.exe";
    $saveAs = "C:\Temp\dotNet472.exe";

    $dotNet472=(Get-ItemProperty "HKLM:SOFTWARE\Microsoft\NET Framework Setup\NDP\v4\Full").Release -ge 461808 #Dot Net 4.7.2

    if (!($dotNet472)){
        # Change this value to reflect your proxy node
        $proxy="http://hqproxy:80";
        
        $proxyEnabled=(Get-ItemProperty -Path "Registry::HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings").ProxyEnable
        if ($proxyEnabled){ 
            $PSDefaultParameterValues = @{"*:Proxy"="$proxy";}
            }

        if(!(Get-Module BitsTransfer)){Import-Module BitsTransfer;}
        
        $download=Start-BitsTransfer -Source $fileURL -Destination $saveAs -Asynchronous;
        
        While( ($download.JobState.ToString() -eq 'Transferring') -or ($download.JobState.ToString() -eq 'Connecting') ){
            $percent = [int](($download.BytesTransferred*100) / $download.BytesTotal)
            Write-Progress -Activity "Downloading..." -CurrentOperation "$percent`% complete"
            }
        Complete-BitsTransfer -BitsJob $download
        $inlineInvokeString="$saveAs /passive /norestart /log C:\Temp\dotNet472_install_log.htm";
        iex $inlineInvokeString;
            }
    else{"Dot Net 4.7.2 or higher is already present in this Windows machine.";}
}
downloadDotNet472