Node.js is a JavaScript runtime built on Chrome's V8 JavaScript engine. Node.js uses an event-driven, non-blocking I/O model that makes it lightweight and efficient. Node.js' package ecosystem, npm, is the largest ecosystem of open source libraries in the world.

Navigate to the main page, download installer for your platform and follow setup instructions.

You can use the following commands to test current versions of the Node and NPM on your machine:

node -v
# v14.16.0

npm -v
# 6.14.11

Please note that the actual versions may differ.