npm ERR! Windows_NT 6.1.7601

npm ERR! argv "C:\\Program Files\\nodejs\\node.exe" "C:\\Program Files\\nodej
s\\node_modules\\npm\\bin\\npm-cli.js" "install" "-g" "react-native-cli"
npm ERR! node v4.0.0
npm ERR! npm v2.14.2
npm ERR! code ECONNRESET


npm ERR! network socket hang up
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 set
tings.
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:

修改https 配置为http。

运行

npm config set registry http://registry.npmjs.org/

再运行npm install -g react-native-cli 成功。