PostgreSQL Installation 2026: Install PostgreSQL + pgAdmin 4 + CLI Setup

Welcome to Day 2 of our PostgreSQL series! In this tutorial, I'll walk you through the complete, step-by-step process of installing PostgreSQL on Windows in 2026. We'll cover everything from downloading the official installer to setting up pgAdmin 4 (GUI) and configuring your environment variables so you can easily use the psql command-line interface (CLI). Make sure to stick around for the crucial pre-installation checklist to avoid common errors!

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⌛TIMELINE⏳
0:00 PostgreSQL Installation Intro
0:20 How Installing PostgreSQL Feels 😄
1:04 Today's Agenda
1:30 Important Checklist Before Installation
2:35 Support the Channel ❤️
3:00 Download PostgreSQL Correctly
6:35 Install PostgreSQL on Windows Step-by-Step
8:55 Configure Environment Variables for CLI
11:20 Test PostgreSQL Command Line Setup
14:10 Fix Common Installation Mistakes
16:10 Verify pgAdmin 4 Installation
18:14 Final Thoughts & What's Next