JanJan
Docs
Jan Desktop
Install 👋 Jan
Windows

Windows Installation

Jan runs on Windows 10 and higher, supporting NVIDIA, AMD, and Intel Arc GPUs.

Install Jan

Download

Download Jan for Windows

Install

  1. Run the downloaded .exe file
  2. Wait for installation to complete
  3. Launch Jan

Compatibility

  • Operating System: Windows 10 or higher
  • CPU: AVX2 support required — Intel Haswell (2013+), AMD Excavator (2015+)
  • Memory: 8GB minimum (16GB recommended)
  • GPU: 6GB VRAM minimum for NVIDIA, AMD, or Intel Arc GPUs
  • Storage: 10GB free space minimum

Jan Data Folder

Jan stores all your data locally — downloaded models, conversation threads, settings, and logs generated from using the app. Nothing is sent to the cloud.

Default location:


~\Users\<YourUsername>\AppData\Roaming\Jan\data

See Jan Data Folder for details.

GPU Acceleration

Step 1: Verify Hardware & Install Dependencies

1.1. Check GPU Detection

Verify GPU is recognized:

  • Right-click desktop > NVIDIA Control Panel
  • Or check Device Manager > Display Adapters

1.2. Install Required components NVIDIA Driver:

  1. Install NVIDIA Driver (opens in a new tab) (version 470.63.01 or higher)
  2. Verify installation:

nvidia-smi

CUDA Toolkit:

  1. Install CUDA toolkit (opens in a new tab) (11.7 or higher)
  2. Verify installation:

nvcc --version

Step 2: Enable GPU Acceleration

Navigate to Settings () > Hardware > GPUs and toggle the ON switch if not enabled.

Uninstall Jan

Step 1: Remove Application through Control Panel

  1. Open Control Panels
  2. Go to Programs section
  3. Click Uninstall Program
  4. Search for Jan
  5. Click the Three Dots Icon > Uninstall
  6. Click Uninstall again to confirm
  7. Click OK

Step 2: Clean Up Remaining Files

Remove app data:

  1. Navigate to C:\Users\[username]\AppData\Roaming
  2. Delete Jan folder

or via Terminal:


cd C:\Users\%USERNAME%\AppData\Roaming
rmdir /S Jan

⚠️

Deleted data folders cannot be recovered. Backup important data first.

MacLinux