how to install nvm in node code example

Example 1: install node in nvm

// Ex:
nvm install v12.13.1

Example 2: install node using nvm windows

First install NVM - https://stackoverflow.com/questions/25654234/node-version-manager-nvm-on-windows -2.nd answer
nvm install latest
nvm use 15.4.0 [instead of 15.4.0 use whatever number cmd spills on you]