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🚀 Forge Setup Guide + CyberRealistic models (Windows)

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Cyberdelia
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May 27, 2025
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🚀 Forge Setup Guide + CyberRealistic models (Windows)

This guide helps you get started with running CyberRealistic models via Forge or Forge Classic versions of Stable Diffusion WebUI. You'll install the environment manually using official dependencies and helper scripts.

✅ Prerequisites

1. 🔧 Python 3.10.x

  • 🟢 Recommended Version: Python 3.10.11

  • 🔗 Download: https://www.python.org/downloads/release/python-31011/

  • 📌 Make sure to:

    • Check “Add Python to PATH” during installation.

    • Choose Customize Installation and enable all optional features.

    • Install for all users if possible (not mandatory).

2. ⚙️ CUDA Toolkit 11.8

This is required for NVIDIA GPU acceleration with PyTorch and Stable Diffusion.

🛑 Warning: If you have multiple CUDA versions installed, they may conflict. Best to uninstall others.

3. 🌱 Git for Windows

Required to clone repositories like Forge, extensions, and models.

✅ After installing Git, you can use git clone from your command prompt.

📂 Installing Forge or Classic Forge

Use the script Install_Forge_WebUI.bat to install either:

  • stable-diffusion-webui-forge (by lllyasviel)

  • sd-webui-forge-classic (by Haoming02)

It will:

  • Clone the selected repo

  • Set up a Python virtual environment

  • Upgrade pip

  • ⚙️ Optional prompt to install community extensions (see below)

🧩 Optional: Install Extensions

At the end of the Forge install script, you'll be asked:

Would you like to install optional extensions (adetailer, image browser, dynamic prompts, etc.)?

If you say yes, the script will automatically install:

  • ADetailer

  • Dynamic Prompts

  • Prompt Format

  • Close Confirmation

  • Civitai Helper

  • Image Browser

You don’t need to run the separate script (install-extensions.bat) unless you want to update or reinstall extensions later.

📦 Download Models

Use the script CyberRealistic_Models.py to install:

  • ✅ SD1.5 / SDXL models (CyberRealistic, Pony, Illustrious)

  • ✅ ControlNet files

  • ✅ Upscalers

  • ✅ ADetailer files

  • ✅ Textual Inversion embeddings

The script will prompt you to select which models to install and where, based on which WebUI version you selected.

▶️ Launching the WebUI

Use Start_WebUI.bat. It:

  • Detects which version (Forge or reForge) you installed

  • Starts the correct webui-user.bat

If both are present, it will ask which one to launch.

💡 Tips

  • Always activate your virtual environment before installing Python packages.

  • If models don’t show up, check that .safetensors files are in the correct subfolder inside /models/Stable-diffusion/...

  • Make sure venv\Scripts is not blocked by antivirus.

🔀 Forge vs Forge Classic – What's the Difference?

Forge is the actively maintained version of Stable Diffusion WebUI with the latest performance upgrades, faster launch times, improved memory handling, and broader extension support. It's ideal for modern systems and users who want the best speed and features.

Forge Classic (Haoming’s version) is a fork that keeps compatibility with older extensions and custom tools that might not yet work with the newest Forge updates. It’s a safe fallback if something breaks in the latest Forge.

✅ Use Forge if you want speed and up-to-date improvements.
🧪 Use Forge Classic if you rely on older extensions or experience issues with new updates.

🚧 Feedback Wanted!

This setup is a work in progress.
Got suggestions or found a bug? Let me know in the comments!

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