How to use example from github in his computer?

Hi, can you help me?

So i have installed in windows, nodejs github and ember. I can create project and run in my web browser with ember serve. But my problem is how to use for example , when i download it i try to npm install for use it but i have :slight_smile:

:\Users\user\Desktop\todo>npm install 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” npm ERR! node v6.0.0 npm ERR! npm v3.8.6 npm ERR! code E404

npm ERR! 404 Registry returned 404 for GET on s npm ERR! 404 npm ERR! 404 ‘expresss’ is not in the npm registry. npm ERR! 404 You should bug the author to publish it (or use the name yourself!)

npm ERR! 404 It was specified as a dependency of ‘ember-cli’ npm ERR! 404 npm ERR! 404 Note that you can also install from a npm ERR! 404 tarball, folder, http url, or git url.

npm ERR! Please include the following file with any support request: npm ERR! C:\Users\user\Desktop\todo\npm-debug.log

Thanks for you helping .