title: update node with npm : not compatible with my operating system
body: <p>I am trying to update node on my Windows 10 operating system thanks to that command in node.js command prompt:</p>
  
  <blockquote>
    <p>npm install -g n</p>
  </blockquote>
  
  <p>but it gives me this error:</p>
  
  <blockquote>
    <p>C:\Windows\System32>npm install -g n npm ERR! Windows_NT 6.3.9600 npm
    ERR! argv "C:\Program Files (x86)\nodejs\\node.exe" "C:\Program
    Files (x86)\nodejs\node_modules\npm\bin\npm-cli.js" "install"
    "-g" "n" npm ERR! node v0.12.2 npm ERR! npm  v2.7.4 npm ERR! code
    EBADPLATFORM</p>
    
    <p>npm ERR! notsup Unsupported npm ERR! notsup Not compatible with your
    operating system or architecture: n@2.1.8 npm ERR! notsup Valid OS:<br>
    !win32 npm ERR! notsup Valid Arch:  any npm ERR! notsup Actual OS:<br>
    win32 npm ERR! notsup Actual Arch: ia32</p>
    
    <p>npm ERR! Please include the following file with any support request:
    npm ERR!     C:\Windows\System32\npm-debug.log</p>
  </blockquote>
  
  <p>Do you know what happens?</p>