Claude Code Installation Guide

This guide will walk you through installing Claude Code on your system.

Prerequisites

Before installing Claude Code, ensure you have:

• A compatible operating system (Windows 10+, macOS 10.15+, or Linux)
• Administrative privileges on your computer
• An active Claude Code subscription or trial

Installation Steps

Windows

1. Download the installer

   • Visit the official Claude Code website
   • Download the Windows installer (.exe file)

2. Run the installer

   claude-code-setup.exe

3. Configure environment variables

   • Open System Properties → Advanced → Environment Variables
   • Add Claude Code to your PATH
   • Restart your terminal

4. Verify installation

   claude --version

macOS

1. Using Homebrew (recommended)

   brew install claude-code

2. Manual installation

   curl -fsSL https://claude.ai/install.sh | sh

3. Verify installation

   claude --version

Linux

1. Using package manager

   For Ubuntu/Debian:

   sudo apt update
   sudo apt install claude-code

   For Fedora/RHEL:

   sudo dnf install claude-code

2. Manual installation

   curl -fsSL https://claude.ai/install.sh | sh

3. Verify installation

   claude --version

Post-Installation Setup

1. Authentication

First time setup:

claude auth login

2. Configuration

Create a configuration file:

claude config init

3. Test Your Installation

Run a simple test:

claude "Hello, Claude!"

Troubleshooting

Common Issues

Issue: Command not found

• Solution: Ensure Claude Code is added to your PATH

Issue: Authentication failed

• Solution: Check your API key and network connection

Issue: Permission denied

• Solution: Run with administrator/sudo privileges

Next Steps

Now that you have Claude Code installed:

1. Learn the basic commands
2. Configure your environment
3. Join our community

Need Help?

If you encounter any issues:

• Check our troubleshooting guide
• Contact our support team
• Join our community forum

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Last updated: January 2025