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Install · v1.4.4

Install Bun

One command, one self-contained binary, no dependencies. Uninstalling is deleting a file.

curl -fsSL https://bun.sh/install | bash
Advanced installation options →

Then, build something

New project

Start something new

$ bun init
$ bun run index.ts
Quickstart

Existing project

Add Bun to a Node.js app

$ bun install # replaces npm install
$ bun run dev # replaces npm run dev
Migration guide

Frontend

Spin up a React app

$ bun init --react
$ bun dev
Full-stack guide

Learn

Documentation

Concepts, the runtime, and every built-in API.

Guides

Task-focused recipes: HTTP, databases, testing, deployment.

API reference

Generated from Bun's TypeScript definitions.

Discord

Ask questions and hang out with the community.