curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.39.3/ | bash

官网：​​GitHub - nvm-sh/nvm: Node Version Manager - POSIX-compliant bash script to manage multiple active node.js versions​​

 

mac/windows安装nvm_bash

第二步配置环境变量

export NVM_DIR="$([ -z "${XDG_CONFIG_HOME-}" ] && printf %s "${HOME}/.nvm" || printf %s "${XDG_CONFIG_HOME}/nvm")"
[ -s "$NVM_DIR/nvm.sh" ] && \. "$NVM_DIR/nvm.sh" # This loads nvm

Windows安装nvm

有别人写好的叫教程

​​nvm详细安装步骤以及使用（window10系统）_nvm安装_小何同学要加油的博客