Installed in two minutes.
One command installs it, one command checks it, and a browser login connects it to your account. No Node.js needed for the recommended installer.
Install · Check · Log In
macOS / Linux
curl -fsSL https://claude.ai/install.sh | bash
Windows
irm https://claude.ai/install.ps1 | iex
in PowerShell
Check it
claude --version or claude doctor
Log in
claude
then sign in with your browser
Before you start
You need a paid Claude plan (Pro or above) or an API account. The free plan doesn't include Claude Code.
It updates itself in the background.
Older guides say use npm. It still works, but the native installer is now the recommended route.
Source: Anthropic Claude Code Docs ↗
Install, check, log in. Then stop and celebrate.