function Get-Boxstarter {
    # . { iwr -useb https://boxstarter.org/bootstrapper.ps1 } | iex; get-boxstarter -Force
    #
    # . C:\downloads_temp\bootstrapper-filename.ps1; iex Get-Boxstarter -Force
        Param(
            [string] $Version = "2.12.0",
            [switch] $Force
        )

        $bootstrapperFile = ${function:Get-Boxstarter}.File
        Write-Host "#############################################################################################"
        Write-Host = "RUNNING: $bootstrapperFile"
        Write-Host "#############################################################################################"

        if(!(Test-Admin)) {
            # $bootstrapperFile = ${function:Get-Boxstarter}.File
            if($bootstrapperFile) {
                Write-Host "User is not running with administrative rights. Attempting to elevate..."
                $command = "-ExecutionPolicy bypass -noexit -command . '$bootstrapperFile';Get-Boxstarter $($args)"
                Start-Process powershell -verb runas -argumentlist $command
            }
            else {
                Write-Host "User is not running with administrative rights.`nPlease open a PowerShell console as administrator and try again."
            }
            return
        }

        $badPolicy = $false
        @("Restricted", "AllSigned") | ? { $_ -eq (Get-ExecutionPolicy).ToString() } | % {
            Write-Host "Your current PowerShell Execution Policy is set to '$(Get-ExecutionPolicy)' and will prohibit boxstarter from operating properly."
            Write-Host "Please use Set-ExecutionPolicy to change the policy to RemoteSigned or Unrestricted."
            $badPolicy = $true
        }
        if($badPolicy) { return }

        Write-Output "Welcome to the Boxstarter Module installer!"
        if(Check-Chocolatey -Force:$Force){

            $message = "Chocolatey extensions..."
            Write-Host $message
            # configure license correctly
            # https://chocolatey.org/docs/installation-licensed
            # https://chocolatey.org/docs/features-install-directory-override
            $command = "choco install chocolatey.extension --install-directory=$env:ChocolateyToolsLocation -y"
            Invoke-Expression $command

            # Create python directory. Install to it.
            # New-Item c:\python -Force -type directory | Out-Null
            # $command = "choco install python --install-directory=c:\python -y"
            # Invoke-Expression $command

            $command = "choco list -lo"
            Invoke-Expression $command

            # Write-Output "Chocolatey installed, licensed, and configured. Boxstarter modules commented out."
            # Write-Output "Fin"

            Write-Output "Chocolatey installed, Installing Boxstarter Modules."
    # Alt+Shift, Shift+#
            $env:chocolateyVersion = 0.10.11
    #        $chocoVersion  = "2.9.17"
           try {
               New-Object -TypeName Version -ArgumentList $chocoVersion.split('-')[0] | Out-Null
               $command = "cinst Boxstarter -y"
           }
           catch{
               # if there is no -v then its an older version with no -y
               $command = "cinst Boxstarter"
           }
           $command += " --version $version"
           Invoke-Expression $command
           Import-Module "$env:ProgramData\boxstarter\boxstarter.chocolatey\boxstarter.chocolatey.psd1" -Force
           $Message = "Boxstarter Module Installer completed"


        }
        else {
            $Message = "Did not detect Chocolatey and unable to install. Installation of Boxstarter has been aborted."
        }
        if($Force) {
            Write-Host $Message
        }
        else {
            Read-Host $Message
        }
    }

    function Check-Chocolatey {
        Param(
            [switch] $Force
        )

        $dirChocolateyInstall = "c:\choco"
        $dirChocolateyBinRoot = "$dirChocolateyInstall"
        $dirChocolateyLicense = "$dirChocolateyInstall\license"
        $dirChocolateyToolsLocation = "c:\tools"
        $fileChocolateyLicense = "$dirChocolateyLicense\chocolatey.license.xml"

        if(-not $env:ChocolateyInstall){
            $env:ChocolateyInstall = "c:\choco"
            if(-not (Test-Path "$env:ChocolateyInstall")){
                New-Item $env:ChocolateyInstall -Force -type directory | Out-Null
            }
        }
        if(-not $env:ChocolateyBinRoot){
            $env:ChocolateyBinRoot = "$dirChocolateyBinRoot"
        }
        if(-not $env:ChocolateyToolsLocation){
            $env:ChocolateyToolsLocation = "$dirChocolateyToolsLocation"
            if(-not (Test-Path "$env:ChocolateyToolsLocation")){
                New-Item $env:ChocolateyToolsLocation -Force -type directory | Out-Null
            }
        }
        if(-not (Test-Path "$fileChocolateyLicense")){
            Write-Host "COPY IN THE LICENSE"
            # Copy chocolatey license file
            Copy-Item -Path C:\downloads_temp\chocolatey.license.xml -Destination $fileChocolateyLicense
        }
        # TODO: Add cygwin, etc


        if(-not $env:ChocolateyInstall -or -not (Test-Path "$env:ChocolateyInstall\bin\choco.exe")){

            $message = "Chocolatey not installed. Also .NET Framework Version 4 or greater."
            Write-Host $message
            if($Force -OR (Confirm-Install)){
                $exitCode = Enable-Net40
                if($exitCode -ne 0) {
                    Write-Warning ".net install returned $exitCode. You likely need to reboot your computer before proceeding with the install."
                    return $false
                }

                $message = "WOULD BE INSTALLING CHOCOLATEY"
                Write-Host $message

                # $message = "Chocolatey downloading..."
                # Write-Host $message
                # $url="https://chocolatey.org/api/v2/package/chocolatey/"
                # $wc=new-object net.webclient
                # $wp=[system.net.WebProxy]::GetDefaultProxy()
                # $wp.UseDefaultCredentials=$true
                # $wc.Proxy=$wp

                # $message = "Chocolatey installing..."
                # Write-Host $message
                # # install chocolatey
                # iex ($wc.DownloadString("https://chocolatey.org/install.ps1"))

                # $message = "Chocolatey added to bin.."
                # Write-Host $message
                # # add to path
                # $env:path="$env:path;$env:ChocolateyInstall\bin"
                # Write-Host "env: $env:path"

            }
            else{
                return $false
            }
        }
        return $true
    }

    function Is64Bit {  [IntPtr]::Size -eq 8  }

    function Enable-Net40 {
        Write-Host "Enable-Net40"
        if(Is64Bit) {$fx="framework64"} else {$fx="framework"}
        if(!(test-path "$env:windir\Microsoft.Net\$fx\v4.0.30319")) {
            Write-Host "Downloading .net 4.5..."
            Get-HttpToFile "https://download.microsoft.com/download/b/a/4/ba4a7e71-2906-4b2d-a0e1-80cf16844f5f/dotnetfx45_full_x86_x64.exe" "$env:temp\net45.exe"
            # Write-Host "Installing .net 4.5..."
            # $pinfo = New-Object System.Diagnostics.ProcessStartInfo
            # $pinfo.FileName = "$env:temp\net45.exe"
            # $pinfo.Verb="runas"
            # $pinfo.Arguments = "/quiet /norestart /log $env:temp\net45.log"
            # $p = New-Object System.Diagnostics.Process
            # $p.StartInfo = $pinfo
            # $p.Start() | Out-Null
            # $p.WaitForExit()
            # $e = $p.ExitCode
            if($e -ne 0){
                Write-Host "Installer exited with $e"
            }
            return $e
        }
        return 0
    }

    function Get-HttpToFile ($url, $file){
        Write-Verbose "Downloading $url to $file"
        if(Test-Path $file){Remove-Item $file -Force}
        $downloader=new-object net.webclient
        $wp=[system.net.WebProxy]::GetDefaultProxy()
        $wp.UseDefaultCredentials=$true
        $downloader.Proxy=$wp
        try {
            $downloader.DownloadFile($url, $file)
        }
        catch{
            if($VerbosePreference -eq "Continue"){
                Write-Error $($_.Exception | fl * -Force | Out-String)
            }
            throw $_
        }
    }

    function Confirm-Install {
        $caption = "Installing Chocolatey"
        $message = "Do you want to proceed?"
        $yes = new-Object System.Management.Automation.Host.ChoiceDescription "&Yes","Yes";
        $no = new-Object System.Management.Automation.Host.ChoiceDescription "&No","No";
        $choices = [System.Management.Automation.Host.ChoiceDescription[]]($yes,$no);
        $answer = $host.ui.PromptForChoice($caption,$message,$choices,0)

        switch ($answer){
            0 {return $true; break}
            1 {return $false; break}
        }
    }

    function Test-Admin {
        $identity  = [System.Security.Principal.WindowsIdentity]::GetCurrent()
        $principal = New-Object System.Security.Principal.WindowsPrincipal( $identity )
        return $principal.IsInRole( [System.Security.Principal.WindowsBuiltInRole]::Administrator )
    }