Kali Linux Complete Setup Guide 2026 — From Download to First Hack

Kali Linux — The Hacker's Operating System

Kali Linux is the industry-standard operating system for penetration testing, used by security professionals, bug bounty hunters, and government agencies worldwide.

Installation Options

Option 1: VirtualBox (Recommended for Beginners)

1. Download VirtualBox from virtualbox.org
2. Download Kali Linux pre-built VM from kali.org
3. Import the .ova file → Allocate 4GB RAM, 2 CPU cores
4. Start and login: kali / kali

Option 2: Dual Boot

1. Download Kali Linux ISO
2. Create bootable USB with Rufus/Balena Etcher
3. Boot from USB → Install alongside Windows
4. GRUB bootloader lets you choose at startup

Option 3: WSL2 (Windows Subsystem for Linux)

wsl --install -d kali-linux

First-Time Setup

sudo apt update && sudo apt full-upgrade -y
sudo apt install -y kali-linux-large    # Install all tools
sudo dpkg-reconfigure locales           # Set timezone

What's Included

• 🔍 Nmap, Masscan — Network scanning
• 💉 Metasploit, Armitage — Exploitation
• 🌐 Burp Suite, ZAP — Web hacking
• 📡 Aircrack-ng, Wifite — WiFi attacks
• 🔓 John, Hashcat — Password cracking
• 🕵️ Maltego, Recon-ng — OSINT

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