angular cli is not installing on windows 10

Hello,

while installing angular cli iam getting below error

node version -v10.16.3
npm version 6.9.0

npm ERR! code ETIMEDOUT
npm ERR! errno ETIMEDOUT
npm ERR! network request to http://registry.npmjs.org/@angular%2Fcli failed, reason: connect ETIMEDOUT 104.16.24.35:80
npm ERR! network This is a problem 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’

Thanks

Replying on support copy of report: angular cli not installing on window 10