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App guide / Jan

Jan

Offline-first local AI workspace that keeps your data on your own computer

WindowsmacOS Difficulty ●●○○○ stable v0.8.8
Download AiBOX System requirements ↓ Install guide ↓
Jan icon

Jan · icon from the registry

System requirements

No extra runtime needed

This app ships with everything it needs — no Node.js, Python or other runtimes to install.

Platforms

WindowsmacOS

Offline-first local AI workspace that keeps your data on your own computer

Registry data updated: 2026-11-11

Config & data

Config file written to

~/AppData/Roaming/Jan/settings.json

  • ~/AppData/Roaming/Jan
  • ~/Library/Application Support/Jan

Everything stays on your own machine — nothing is uploaded. To uninstall, delete these folders.

Install in three steps

  1. 01

    Install AiBOX

    One portable file for Windows (macOS coming). Double-click and it runs — no installer, no administrator rights.

    Go to download →
  2. 02

    Pick Jan

    Open the AiBOX app catalog, find Jan and press Install. AiBOX checks what your machine already has and installs only what is missing.

  3. 03

    Follow the wizard

    It downloads with a checksum check, writes the config and fills in your API key if the app needs one. You just click.

    ✓ Installed until it works.

Prefer to do it by hand? The full written guide is right below. Read the guide ↓

Install guide

The same steps in written form — follow along at your own pace.

The full pictorial tutorial lives on the aibox.im /apps/jan/ page (generated from this repo). Tagline: "Installed until it works."

1. Health check (automatic)

AiBOX checks your machine first. Jan is self-contained — no Node.js required.

2. Route selection (automatic)

  • International network: official GitHub Releases (direct).
  • Mainland China: ghfast / gh-proxy gateway channels, automatic fallback.

3. Install (one click)

Download with SHA256 verification, then silent install (Windows x64/ARM64: NSIS to %LOCALAPPDATA%\Jan; macOS: universal dmg copied to /Applications, one file for Intel and Apple Silicon).

4. Choose your models (the only step you do)

Run local open-source models (free, offline), or connect a key: OpenRouter (recommended) / Anthropic / OpenAI / Google.

5. Verify (automatic)

We check the installed version and the local API at http://localhost:1337 — "Installed. It really works."

Feedback: https://github.com/imAiBOX/aibox-registry/issues

Model / API key setup

AiBOX fills this in for you during the wizard — this section is for setting it up by hand.

OpenRouter

You need an API key from the provider.

~/AppData/Roaming/Jan/settings.json

Get a key ↗

Anthropic (Claude)

You need an API key from the provider.

~/AppData/Roaming/Jan/settings.json

Get a key ↗

OpenAI

You need an API key from the provider.

~/AppData/Roaming/Jan/settings.json

Get a key ↗

Google AI Studio

You need an API key from the provider.

~/AppData/Roaming/Jan/settings.json

Get a key ↗

Common questions

Which platforms does Jan run on?

Runs on Windows / macOS — install it with AiBOX on any of them.

How hard is Jan to install?

Difficulty 2 out of 5. AiBOX does the download and setup; your part is clicking through the wizard and pasting a key if the app needs one.

Where does Jan keep my data?

Everything stays on your own machine: ~/AppData/Roaming/Jan / ~/Library/Application Support/Jan. To uninstall, delete these — nothing is ever uploaded.

Something not working?

An outdated step, an error you do not understand, a typo — tell us and we will fix this page.

Report a problem →

Version & updates

Current version
v0.8.8
Registry data updated
2026-11-11

Upstream projects

Version numbers are re-checked by our daily probe — when upstream ships a new release, this page follows.

Questions or problems?

A wrong step, a confusing error, a typo — open an issue and someone will look.

Open GitHub issues Back to catalog →