title: when updating nodeJs gives "ERR! Windows_NT 6.3.9600" error
body: <p>I'm trying to update my node using following command</p>
  
  <pre><code>npm cache clean -f
  npm install -g n
  n stable
  </code></pre>
  
  <p>while running second command it gives following error</p>
  
  <pre><code>npm ERR! Windows_NT 6.3.9600
  npm ERR! argv "C:\\Program Files\\nodejs\\\\node.exe" "C:\\Program Files\\nodejs\\node_modules\\npm\\bin\\npm-cli.js" "install" "-g" "n"
  npm ERR! node v0.12.0
  npm ERR! npm  v2.5.1
  npm ERR! code EBADPLATFORM
  
  npm ERR! notsup Unsupported
  npm ERR! notsup Not compatible with your operating system or architecture: n@2.0.2
  npm ERR! notsup Valid OS:    !win32
  npm ERR! notsup Valid Arch:  any
  npm ERR! notsup Actual OS:   win32
  npm ERR! notsup Actual Arch: x64
  </code></pre>