chore: update readme

README.md

@@ -4,7 +4,15 @@ Code experimenting with PyTorch using Intel architecture (i.e., Intel Core Ultra
 
 After installing `ipex-llm` which is required to use Intel GPUs (see documentation in [Links](#Links)), you can should have access to `conda` and be able to `import torch` normally.
 
-**Important:** Set the necessary environmental variables:
+## Setup
+
+1. Activate the conda environment
+
+```bash
+conda activate llm-pt26
+```
+
+2. Set the necessary environmental variables:
 
 ```bash
 unset OCL_ICD_VENDORS
@@ -12,6 +20,17 @@ export SYCL_CACHE_PERSISTENT=1
 export SYCL_PI_LEVEL_ZERO_USE_IMMEDIATE_COMMANDLISTS=1
 ```
 
+3. (Optional) Confirm if XPU is detected
+
+```bash
+$ python # go intou the python shell
+
+$ import torch
+$ torch.xpu.is_available()
+$ torch.xpu.get_device_name()
+
+```
+
 Links
 
 - [Install IPEX-LLM on Intel GPU with PyTorch 2.6](https://git.ayo.run/ayo/ipex-llm/src/branch/main/docs/mddocs/Quickstart/install_pytorch26_gpu.md)