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The Complete n8n Guide

From zero to professional: nodes, connections, credentials, five real workflows, a six-month roadmap and a career guide. Free, in Bangla and English.

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October 2026 edition · written for n8n 2.x

What is inside

  • What n8n is, and how it compares with Zapier and Make
  • Installing it: n8n Cloud, Docker, or npx
  • The interface, JSON and items, test and production URLs
  • Which node for which job, including the AI nodes
  • How data moves between nodes, Merge, expressions and sub-workflows
  • Credentials step by step: Gemini, OpenAI, Telegram, Google, WhatsApp, any API
  • Five real workflows, step by step
  • Rules for workflows that go to clients
  • A six-month roadmap and how to become a professional in this field
  • Free resources, and common problems with their fixes

Who it is for

Anyone starting with automation: students, freelancers, developers and business owners who want their work to run by itself. No coding background is needed to begin.

Written by

Noray Afzal Nahid, AI Product & Automation Engineer, founder of TellMore AI.

Free to share. Share it with anyone who wants to learn. Please do not sell it.

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