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👋 Jan

Windows

Compatibility

Section titled “Compatibility”

System requirements:

  • Operating System: Windows 10 or higher.
  • CPU
  • Intel: Haswell (Q2 2013) or newer
  • Intel Celeron/Pentium: Tiger Lake (Q3 2020) or newer

Memory (RAM)

  • 8GB → up to 3B parameter models (int4)
  • 16GB → up to 7B parameter models (int4)
  • 32GB → up to 13B parameter models (int4)

GPU:

  • 6GB → up to 3B parameter models
  • 8GB → up to 7B parameter models
  • 12GB → up to 13B parameter models

Storage: 10GB free space minimum for app and models

Install Jan

Section titled “Install Jan”

Step 1: Download Application

Section titled “Step 1: Download Application”

Step 2: Install Application

Section titled “Step 2: Install Application”
  1. Run the downloaded .exe file
  2. Wait for installation to complete
  3. Launch Jan

Data Folder

Section titled “Data Folder”

Default installation path:

Terminal window
# Default installation directory
~\Users\<YourUsername>\AppData\Roaming\Jan\data

See Jan Data Folder for complete folder structure details.

GPU Acceleration

Section titled “GPU Acceleration”

Step 1: Verify Hardware & Install Dependencies

Section titled “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 (version 470.63.01 or higher)
  2. Verify installation:
Terminal window
nvidia-smi

CUDA Toolkit:

  1. Install CUDA toolkit (11.7 or higher)
  2. Verify installation:
Terminal window
nvcc --version

Step 2: Enable GPU Acceleration

Section titled “Step 2: Enable GPU Acceleration”

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

Uninstall Jan

Section titled “Uninstall Jan”

Step 1: Remove Application through Control Panel

Section titled “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

Section titled “Step 2: Clean Up Remaining Files”

Remove app data:

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

or via Terminal:

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