Installation Download: https://pan.baidu.com/s/1Ed_IPDTOHxR9NShUEau-ZA
After downloading, placed in the installation folder under nodejs
Then hit cmd, enter the file is installed nodejs the folder.
Enter the command: gnvm version
Then knock command: gnvm htlp install, shown here is gncm all installation command, which version you want to install it follow the prompts to enter gnvm install a version number on it
See which version is currently installed: gnvm ls
Which version: gnvm use 10.16.3