title: Cypress installation failed
body: <p>I installed nodejs and npm on windows 10. Than I tried to install cypress via  <code>npm install cypress --save-dev</code> and get the following Error: </p>
  
  <pre><code>&gt; node index.js --exec install
  
  The command "node" is either misspelled or
  could not be found.
  
  npm ERR! code ELIFECYCLE
  npm ERR! errno 1
  npm ERR! cypress@3.8.2 postinstall: `node index.js --exec install`
  npm ERR! Exit status 1
  npm ERR!
  npm ERR! Failed at the cypress@3.8.2 postinstall script.
  npm ERR! This is probably not a problem with npm. There is likely additional logging output above.
  
  npm ERR! A complete log of this run can be found in:
  npm ERR!     C:\Users\U\AppData\Roaming\npm-cache\_logs\2020-01-21T11_05_01_566Z-debug.log
  </code></pre>
  
  <p>After this I added the path <code>%USERPROFILE%\AppData\Local\Temp</code> to my system environment variables. But I get this error messages again. How can I fix this problem? </p>