Can not start node-red

i have installed node.js as per instruction given on website but can not start node-red.

and showing below mention error.

Your environment has been set up for using Node.js 10.15.3 (ia32) and npm.

C:\Users\Admin>node -v
v10.15.3

C:\Users\Admin>npm install -g --unsafe-perm node-red
npm ERR! code ETIMEDOUT
npm ERR! errno ETIMEDOUT
npm ERR! network request to https://registry.npmjs.org/node-red failed, reason:
connect ETIMEDOUT 104.16.20.35:443
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 settin
gs.
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! A complete log of this run can be found in:
npm ERR! C:\Users\Admin\AppData\Roaming\npm-cache_logs\2019-03-28T07_42_16_
286Z-debug.log

C:\Users\Admin>npm install ../chirag
npm ERR! code ENOLOCAL
npm ERR! Could not install from "..\chirag" as it does not contain a package.jso
n file.

npm ERR! A complete log of this run can be found in:
npm ERR! C:\Users\Admin\AppData\Roaming\npm-cache_logs\2019-03-28T07_44_41_
188Z-debug.log

help for resolve the same

You haven’t installed node-red yet due to this error

with wifi connection the problem was solved out.
thank you