Update README.md

README.md

@@ -40,6 +40,14 @@ pip install diffusers, transformers, safetensors, accelerate, sentencepiece
 ```bash
 git clone https://huggingface.co/artemtumch/stable-fast-xl
 cd stable-fast-xl
+```
+open **install_stable-fast.sh** file and change cp311 for your python version in this line 
+pip install -q https://github.com/chengzeyi/stable-fast/releases/download/v0.0.15/stable_fast-0.0.15+torch210cu118-cp311-cp311-manylinux2014_x86_64.whl
+
+where **cp311** -> for **python 3.11**  **|** **cp38** -> for **python3.8**
+
+then run script
+```bash
 sh install_stable-fast.sh
 ```