安装命令

curl -o- https://raw.githubusercontent.com/creationix/nvm/v0.39.1/install.sh | bash

或

wget -qO- https://raw.githubusercontent.com/creationix/nvm/v0.39.1/install.sh | bash

详见：https://github.com/creationix/nvm/blob/master/README.md

如遇到raw.githubusercontent.com:443问题，参考：raw.githubusercontent.com:443连接失败时如何解决https://blog.csdn.net/bengofrank/article/details/123021848

安装成功验证

重启终端，输入命令nvm，可以看到Node Version Manager即代表安装成功。