diff --git a/README.md b/README.md
index ab55580..2a0a8f9 100644
--- a/README.md
+++ b/README.md
@@ -78,23 +78,25 @@ EasyRealEstate leverages a multi-agent AI system to provide advanced analysis an
    Clone the repository to a local machine:
 
    ```sh
-   git clone https://github.com/tonic/investinitaly
-   cd investinitaly
+   git clone https://github.com/tonic/EasyRealEstate
+   cd EasyRealEstate
    ```
 
-2. **Set your OpenAI API Key**
+2. Set Python version
 
-- edit the `./src/config/config.py` file using a text editor and replace your api_key_here with your api key (keep the quotes!)
+This software currently runs only with Python 3.11 version, as it's required by openbb-agents.
 
-  `llm_config = {"model": "gpt-4-turbo", "api_key": "your_api_key_here" }`
+On MacOS, you can use `brew install python@3.11`; use `python3.11 --version` to validate
 
-- then edit the `./src/config/.env.example` file using a text editor and replace your api_key_here with your api key also !
+3. **Set your OpenAI API Key**
+- `cp ./src/config/.env.example ./src/config/.env`
+- Grab the ChatGPT API key from https://platform.openai.com/settings/profile?tab=api-keys (create a new Secret Key)
+- Grab the OpenBB Personal Access Token (PAT) from https://my.openbb.co/app/platform/pat (start from https://my.openbb.co if it's the first time you use OpenBB)
+- Edit the `./src/config/.env` and set
+  - the OpenAI API key as `OPENAI_API_KEY`
+  - the OpenBB PAT as `OPENBB_PAT`
 
-- Get your openbb PAT from https://my.openbb.co/app/platform/pat and also add it to the `.env.example` file
-
-- save the `.env.example` file as `.env`in the same folder
-
-2. **Set Up the Environment**
+3. **Set Up the Environment**
 
    Run the setup script to create and activate the virtual environment, and install the dependencies:
 
@@ -107,48 +109,25 @@ EasyRealEstate leverages a multi-agent AI system to provide advanced analysis an
    - On macOS/Linux:
 
      ```bash
-     chmod +x setup_env.sh
      ./setup_env.sh
      ```
 
-   then
-
-   - On Windows:
-
-      ```sh
-      venv\Scripts\activate
-      ```
-
-   - On macOS/Linux:
-
-      ```sh
-      source venv/bin/activate
-      ```
+At this point, you should see the name of your virtual environment in the command prompt, indicating that you are now working within the virtual environment.
 
-Once activated, you should see the name of your virtual environment in the command prompt, indicating that you are now working within the virtual environment.
-
-3. **Run Chroma**
+4. **Run Chroma**
 
 Open a new terminal and run this command to start chroma :
 
-- ```chroma run --path ./src/memory/chromadb```
-
-4. **Run EasyRealEstate**
-
-in your virtual environment activated terminal from step #2 :
-
-```bash
-python main.py
-```
+```chroma run --path ./src/memory/chromadb```
 
-### Installation Problems
+You should be able to see `Uvicorn running on http://localhost:8000 (Press CTRL+C to quit)` on your standard output.
 
-1. **OpenBB Agents** 
+5. **Run EasyRealEstate**
 
-Sometimes installation can fail because of `openbb-agents`. If this happens , you will see some red text on the steps above. Simply install it using the following command additionally: 
+in your virtual environment activated terminal from step #2 :
 
 ```bash
-pip install --no-cache-dir openbb-agents
+python3.11 main.py
 ```
 
 ### Additional Configuration (Optional)
diff --git a/main.py b/main.py
index 89f3133..283b091 100644
--- a/main.py
+++ b/main.py
@@ -6,14 +6,12 @@
 import autogen
 from autogen.cache import Cache
 from autogen import GroupChatManager
-from src.config.config import load_env_file
-import os
-import sys
-
+from pathlib import Path
+from dotenv import load_dotenv
 
 def main():
-    
-    load_env_file('./src/config/.env')
+    dotenv_path = Path('./src/config/.env')
+    load_dotenv(dotenv_path=dotenv_path)
 
     user_input = input(intro_message)
     
diff --git a/requirements.txt b/requirements.txt
index 48de772..b567e4a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,4 +6,6 @@ markdownify
 pandas
 einops
 openai
+pypdf
+openbb-agents
 # openbb[all]
diff --git a/setup_env.sh b/setup_env.sh
old mode 100644
new mode 100755
index 9d662b6..f98c365
--- a/setup_env.sh
+++ b/setup_env.sh
@@ -2,7 +2,7 @@
 
 #!/bin/bash
 
-# Python version to use
+# Python version to use, as required by openbb-agents
 PYTHON_VERSION="3.11"
 
 # Check if Python $PYTHON_VERSION is installed
@@ -18,6 +18,6 @@ python$PYTHON_VERSION -m venv venv
 source venv/bin/activate
 
 # Install dependencies
-pip install -r requirements.txt
+pip$PYTHON_VERSION install -r requirements.txt
 
 echo "Virtual environment setup complete."
\ No newline at end of file
diff --git a/src/agents/agents.py b/src/agents/agents.py
index 8232a93..d6ca3ab 100644
--- a/src/agents/agents.py
+++ b/src/agents/agents.py
@@ -19,10 +19,11 @@
 from autogen.agentchat.contrib.retrieve_user_proxy_agent import RetrieveUserProxyAgent
 import chromadb
 from typing import Annotated
-from src.config.config import load_env_file
+from pathlib import Path
+from dotenv import load_dotenv
 
-
-load_env_file('./src/config/.env')
+dotenv_path = Path('./src/config/.env')
+load_dotenv(dotenv_path=dotenv_path)
 
 chroma_client = chromadb.HttpClient(host='localhost', port=8000)
 
diff --git a/src/config/config.py b/src/config/config.py
index 945d081..6be096e 100644
--- a/src/config/config.py
+++ b/src/config/config.py
@@ -1,13 +1,11 @@
 # ./src/config/config.py
 from autogen.cache import Cache
-
-llm_config = {"model": "gpt-4-turbo", "api_key": "your_key_here" }
-
 import os
+from pathlib import Path
+from dotenv import load_dotenv
+
+dotenv_path = Path('./src/config/.env')
+load_dotenv(dotenv_path=dotenv_path)
 
-def load_env_file(env_path):
-    with open(env_path) as f:
-        for line in f:
-            if line.strip() and not line.startswith("#"):
-                key, value = line.strip().split('=', 1)
-                os.environ[key] = value
\ No newline at end of file
+openai_api_key = os.getenv("OPENAI_API_KEY")
+llm_config = {"model": "gpt-4-turbo", "api_key": openai_api_key }