Readme update

Author: PayalLakra

README.md

@@ -37,6 +37,14 @@ Chords Python script is designed to interface with an Arduino-based bio-potentia
    ```bash
    .\venv\Scripts\activate  
    ```
+
+> [!IMPORTANT]
+> You may get an execution policy error if scripts are restricted. To fix it, run:
+
+  ```bash
+  Set-ExecutionPolicy Unrestricted -Scope Process
+  ```
+
 3. Install the required Python libraries needed to run the python script:
     ```bash
     pip install -r chords_requirements.txt