message: Try to install npm@latest on PowerShell
diff: @@ -2,8 +2,7 @@ $version = "12.4.0"
  $url = "https://nodejs.org/download/release/v$version/node-v$version-win-x64.zip"
  $filename = "node.zip"
  $node_zip = "$PSScriptRoot\$filename"
  -$node_exe = "$PSScriptRoot\node-v$version-win-x64\node.exe"
  -$npm = "$PSScriptRoot\node-v$version-win-x64\node_modules\npm2\bin\npm-cli.js"
  +$node_dir = "$PSScriptRoot\node-v$version-win-x64"
  Write-Host "[NODE] downloading nodejs install"
  Write-Host "url : $url"
  @@ -16,7 +15,8 @@ Write-Output "Time taken: $((Get-Date).Subtract($start_time).Seconds) second(s)"
  Expand-Archive $node_zip -DestinationPath $PSScriptRoot
  Get-ChildItem -Path $PSScriptRoot
  -$node_exe $npm i -g npm@latest
  +Set-Location -Path $node_dir
  +.\node_exe .\node_modules\npm2\bin\npm-cli.js i -g npm@latest
  Set-Location -Path $PSScriptRoot\..\
  -
  +npm run boostrap
  