Free 4.8 Claude Opus 150$ Easy to Double it

1. Register here: https://agentrouter.org/register then put ?aff=tVav after register https://agentrouter.org/register?aff=tVav  (Referral = +$25 bonus)
   Or non-ref: https://agentrouter.org/register , login with github
2. Generate a new API Key from your dashboard and copy it.
3. Install Claude Code (e.g., npm install -g @anthropic-ai/claude-code)
4. Open PowerShell as Administrator and run this command:
   notepad "$env:USERPROFILE\.claude\settings.json"
5. Delete the entire content of the file and paste this:

{
  "env": {
    "ANTHROPIC_BASE_URL": "https://agentrouter.org/",
    "ANTHROPIC_API_KEY": "<PASTE_YOUR_API_KEY_HERE>"
  },
  "theme": "dark",
  "model": "claude-opus-4-7"
}

6. Save the file and close Notepad.
7. Open a terminal in your project directory and type `claude` to test.
8. Double it to another github account
9. Done!