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First of all, you need to know what Node.js is and the basic concepts on which it works. Watch the first two introductory videos provided in the references.

Now, install Node.js in your local environment. You may take help of the third link provided in the references.

References: What is Node.js?, How Node.js Works, Installing Node.js

Task Deliverables: Submit a doc or a pdf file having a small summary(one page at most) of your understanding of Node.js after watching the two videos. Also, run node --version command on your local environment and submit the screenshot.