how to change your node version code example

Example 1: use a specific version of node

nvm use {Node version}

Example 2: how to change node version

nvm use --delete-prefix $NODE_VERSION

example:
nvm use --delete-prefix v8.9.4

Example 3: change version node centos

curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.35.3/install.sh | bash