AMD Software: PyTorch on Windows Preview Edition 25.20.01.14 Release Notes

Release Date:  September 24^th, 2025

AMD is pleased to announce preview support for PyTorch on Windows, bringing high-performance machine learning capabilities to a broader range of developers. The PyTorch on Windows Preview works with select AMD Radeon™ graphics products and AMD Ryzen™ processors (listed below)

Highlights

• Support for ComfyUI image-generation workflows. 
• Python 3.12 support 
• The PyTorch on Windows Preview works with most Diffusion and LLM models, and the following models have been specifically validated by AMD: 
  • Diffusion models: Flux.1.schnell, SD3, SD3.5 XL Turbo 
  • LLMs: DeepSeek R1 Distill Qwen 1.5B, Llama 3.2 3B Instruct, Llama 3.2 1B Instruct 

For more information on AMD Software: PyTorch on Windows Preview, please refer to AMD ROCm on Radeon and Ryzen documentation

The AMD Software: PyTorch on Windows Preview Edition 25.20.01.14 driver installation package can be downloaded from the following link:

By clicking the Download button, you are confirming that you have read and agreed to be bound by the terms and conditions of the End User License Agreement (“EULA”).  If you do not agree to the terms and conditions of these licenses, you do not have a license to any of the AMD software provided by this download.

• AMD Software: PyTorch on Windows Preview Edition 25.20.01.14 Driver for Windows® 11

NOTE: It is recommended to uninstall any existing AMD graphics driver prior to installing the preview driver. If issues persist, use the AMD Cleanup Utility.

NOTE: Although this driver package will install successfully with most recent AMD products, execution of PyTorch workloads on Windows is only supported on compatible devices listed below.

After installing the driver package above, proceed to install the AMD Software: PyTorch on Windows Preview

• For detailed instructions on how to install PyTorch on Windows, please refer to ROCm on Radeon documentation and ROCm on Ryzen documentation.
• You can also reference our “A beginner’s guide to deploying LLMs with AMD on Windows using PyTorch” blog here

AMD Product Family Compatibility

AMD Software: PyTorch on Windows Preview is compatible with:

Compatible 64-bit Operating Systems

• Windows® 11

Known Issues

• Intermittent script failure due to out-of-memory error may be observed while running inference workloads with PyTorch on Windows on Ryzen™ AI Max 300 series processors. 
• Intermittent application crash or driver timeout may be observed while running inference workloads with PyTorch on Windows while also running other applications (such as games or web browsers). 
• Failure to launch may be observed after installation while running ComfyUI with Smart App Control enabled. 

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