# Ubuntu / Debian
curl -fsSL https://deb.nodesource.com/setup_22.x | sudo -E bash -
sudo apt-get install -y nodejs
# Windows — download from https://nodejs.org
```
---
## 1. Install Claude Code (version 2.1.98)
We pin a specific version to ensure everyone on the team has the same behavior.
```bash
npm install -g @anthropic-ai/[email protected]
```