javascript - nodejs用代码更新版本出现问题

Question

我直接在命令行输入npm install -g n
一直报这种错误

npm ERR! Windows_NT 6.1.7601
npm ERR! argv "C:\\Program Files\\nodejs\\node.exe" "C:\\Program Files\\nodejs\\node_modules\\npm\\bin\\npm-cli.js" "install" "-g" "n"
npm ERR! node v4.6.1
npm ERR! npm  v2.15.9
npm ERR! code EBADPLATFORM

npm ERR! notsup Unsupported
npm ERR! notsup Not compatible with your operating system or architecture: n@2.1.4
npm ERR! notsup Valid OS:    !win32
npm ERR! notsup Valid Arch:  any
npm ERR! notsup Actual OS:   win32
npm ERR! notsup Actual Arch: x64

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

求解？？？

Answer 1

Unfortunately n is not supported on Windows yet. If you're able to make it work, send in a pull request!

n不支持win平台

Answer 2

windows不支持用n来更新nodejs，需要重新下载新版的msi在原目录覆盖安装