update README.md

README.md

@@ -79,7 +79,13 @@ To handle extensive inputs exceeding 32,768 tokens, we utilize [YARN](https://ar
 
 For deployment, we recommend using vLLM. You can enable the long-context capabilities by following these steps:
 
-1. **Install vLLM**: Ensure you have the latest version from the main branch of [vLLM](https://github.com/vllm-project/vllm).
+1. **Install vLLM**: You can install vLLM by running the following command.
+
+```bash
+pip install "vllm>=0.4.3"
+```
+
+Or you can install vLLM from [source](https://github.com/vllm-project/vllm/).
 
 2. **Configure Model Settings**: After downloading the model weights, modify the `config.json` file by including the below snippet:
     ```json