⚡ Unlock FlashVSR Video Upscale in ComfyUI: A Quick Guide + Workflows + Official Video

Hi friends! 👋

This short guide is for those of you who want to get FlashVSR running inside of ComfyUI. I know getting the environment right can be a pain, so I have a little holiday gift for you to make it easier. 🎄

🎁 Holiday Gift: My Custom Installer
Until Jan 3rd, I am giving away my automated installer software for FREE! After that, it goes back to being for Paid Members only. It handles all the tricky setup for you.

🚀 Get the Installer Here:
https://www.patreon.com/posts/update-21th-dec-146207704

🛠️ The Manual Way

If you prefer to set things up yourself, here is how you can get FlashVSR and Triton running manually.

Prerequisites:

1. Install ComfyUI: https://www.comfy.org/

2. Or grab the Portable Version: Download ComfyUI_windows_portable_nvidia.7z

3. (If using portable) Extract with 7-Zip: https://7-zip.org/

📖 How to install "Triton" for FlashVSR

To run FlashVSR, we need a specific library called Triton. The standard version is for Linux, so we need to manually swap it for a Windows-compatible version.

Step 1: Identify your Installation Type
Look at your ComfyUI folder structure to decide which set of commands to use:

• Type A: Portable / Embedded

  • You downloaded the .7z file named ComfyUI_windows_portable.

  • You have a folder inside named python_embedded.

    

• Type B: Manual / Venv (or my Installers)

  • You installed using git clone or used my previous installers.

  • Inside your ComfyUI folder, you see a folder named venv

    

📂 Type A: Portable (Embedded) Instructions

1. Open your ComfyUI_windows_portable folder (the one containing run_nvidia_gpu.bat).

2. Click the address bar at the top of the file explorer, type cmd, and press Enter.

3. Paste the following commands one by one:

cmd

Uninstall the standard triton if its installed.

🔴IN SOME VERSIONS OF COMFYUI THERE IS A TYPO IN THE FOLDER IS CALLED EMBEDED WITH ONE MISSING (D).🔴

.\python_embedded\python.exe -m pip uninstall -y triton

Install the specific Windows wheel

.\python_embedded\python.exe -m pip install -U "triton-windows<3.5"

💻 Type B: Manual (Venv) Instructions

1. Open your main ComfyUI folder.

2. Ensure you see the venv folder inside.

3. Click the address bar, type cmd, and press Enter.

4. Paste the following block:

cmd

Activate the virtual environment

call venv\Scripts\activate

Uninstall the standard triton

python -m pip uninstall -y triton

Install the specific Windows wheel

python -m pip install -U "triton-windows<3.5"

💡 Why are we doing this?
The standard triton package on PyPi is compiled for Linux. If installed on Windows, it causes errors and crashes. The command triton-windows installs a specific pre-compiled wheel created by the community. We need this specific version of Triton in order to run FlashVSR!

Enjoy the update and happy creating! 🎨✨