Windows Installation
Jan runs on Windows 10 and higher, supporting NVIDIA, AMD, and Intel Arc GPUs.
Install Jan
Download
Download Jan for Windows (x64)On a Windows on ARM PC, get the ARM64 installer from the download page instead.
Install
- Run the downloaded
.exefile - Wait for installation to complete
- Launch Jan
Compatibility
- Operating System: Windows 10 or higher
- CPU: x64 with AVX2 support — Intel Haswell (2013+), AMD Excavator (2015+) — or ARM64 (Windows on ARM)
- 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:
- Install NVIDIA Driver (opens in a new tab) (version 470.63.01 or higher)
- Verify installation:
nvidia-smi
CUDA Toolkit:
- Install CUDA toolkit (opens in a new tab) (11.7 or higher)
- 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
- Open Control Panels
- Go to Programs section
- Click Uninstall Program
- Search for Jan
- Click the Three Dots Icon > Uninstall
- Click Uninstall again to confirm
- Click OK
Step 2: Clean Up Remaining Files
Remove app data:
- Navigate to
C:\Users\[username]\AppData\Roaming - Delete Jan folder
or via Terminal:
cd C:\Users\%USERNAME%\AppData\Roamingrmdir /S Jan
⚠️
Deleted data folders cannot be recovered. Backup important data first.