---
title: Installation
sidebar_position: 4
slug: /guides/install/
hide_table_of_contents: true
description: Jan is a ChatGPT-alternative that runs on your own computer, with a local API server.
keywords:
[
Jan AI,
Jan,
ChatGPT alternative,
local AI,
private AI,
conversational AI,
no-subscription fee,
large language model,
]
---
## Jan Device Compatible
Jan support Mac, Windows, and Linux devices.
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## Install Server-Side
To install Jan from source, follow the steps below:
### Pre-requisites
Before proceeding with the installation of Jan from source, ensure that the following software versions are installed on your system:
- Node.js version 20.0.0 or higher
- Yarn version 1.22.0 or higher
### Install Jan Development Build
1. Clone the Jan repository from GitHub by using the following command:
```bash
git clone https://github.com/janhq/jan
git checkout DESIRED_BRANCH
cd jan
```
2. Install the required dependencies by using the following Yarn command:
```bash
yarn install
# Build core module
yarn build:core
# Packing base plugins
yarn build:plugins
# Packing uikit
yarn build:uikit
```
3. Run the development server.
```bash
yarn dev
```
This will start the development server and open the desktop app. During this step, you may encounter notifications about installing base plugins. Simply click **OK** and **Next** to continue.
### Install Jan Production Build
1. Clone the Jan repository from GitHub by using the following command:
```bash
git clone https://github.com/janhq/jan
cd jan
```
2. Install the required dependencies by using the following Yarn command:
```bash
yarn install
# Build core module
yarn build:core
# Packing base plugins
yarn build:plugins
# Packing uikit
yarn build:uikit
```
3. Run the production server.
```bash
yarn
```
This completes the installation process for Jan from source. The production-ready app for macOS can be found in the dist folder.
