When I try to install Angular CLI in windows 10 by command line I receive the following error, the command line is: npm install -g @ angular / cli
C: \ WINDOWS \ system32 & nt; npm install -g @ angular / cli npm ERR! Windows_NT 10.0.15063 npm ERR! argv "C: \ Program Files \ nodejs \ node.exe" "C: \ Program Files \ nodejs \ node_modules \ npm \ bin \ npm-cli.js" "install" "-g" "@ angular / cli" npm ERR! node v6.11.2 npm ERR! npm v3.10.10 npm ERR! code ECONNRESET
npm ERR! network tunneling socket could not be established, cause = connect ETIMEDOUT 74.122.238.10:8080 npm ERR! network This is most likely not a problem with npm itself npm ERR! network and is related to network connectivity. npm ERR! network In most cases you are behind a proxy or have bad network settings. npm ERR! network npm ERR! network If you are behind a proxy, please make sure that the npm ERR! network 'proxy' config is set properly. See: 'npm help config'
npm ERR! Please include the following file with any support request: npm ERR! C: \ WINDOWS \ system32 \ npm-debug.log
C: \ WINDOWS \ system32 >
Why is this happening and how can I solve it?