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Add Windows-specific installation instructions and requirements file#527

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Dadiya-Harsh wants to merge 1 commit intoWan-Video:mainfrom
Dadiya-Harsh:update/installation_guide
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Add Windows-specific installation instructions and requirements file#527
Dadiya-Harsh wants to merge 1 commit intoWan-Video:mainfrom
Dadiya-Harsh:update/installation_guide

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@Dadiya-Harsh
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This PR adds official support for Windows 10/11 by providing:

  • A dedicated requirements-win.txt with Windows-compatible dependencies.
  • Updated README with a Windows Installation Guide.
  • Instructions for installing PyTorch with CUDA on Windows.
  • Notes on known incompatibilities (e.g., flash_attn not supported).

Motivation:
Current installation fails on Windows due to CPU-only PyTorch and build issues. This update simplifies setup and improves adoption for Windows users.

System Tested:

  • Windows 11 Pro 64-bit
  • NVIDIA RTX (CUDA 12.8)
  • Python 3.10 / 3.11

Branch: update/installation_guide

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@Dadiya-Harsh
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Dadiya-Harsh commented Sep 28, 2025

@WanX-Video-1 , @Steven-SWZhang

Please review my update and consider merging this PR. It adds a dedicated requirements-win.txt and Windows installation instructions, making setup on Windows 10/11 much easier for users.

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