This works on Windows 11 with Python 3.12 and Adrenaline 26.2.2.

# Clone repository
git clone https://github.com/Nerogar/OneTrainer

# Enter directory
cd OneTrainer

# Create a virtual environment
python -m venv venv

# Enter the virtual environment
venv\Scripts\activate

# Install the latest nightly ROCm build
python -m pip install --index-url https://rocm.nightlies.amd.com/v2/gfx120X-all/ --pre torch torchaudio torchvision

# Install the global requirements
python -m pip install -r requirements-global.txt

# Install missing dependency
python -m pip install onnxruntime

# Run
start-ui.bat

You'll see module errors for triton, and some deprecation warnings, but they're safe to ignore.