diff --git a/README.md b/README.md
index 38f229e..94d74e3 100644
--- a/README.md
+++ b/README.md
@@ -8,8 +8,32 @@ The project is intended for versatile use in prototyping and project development
 
 ---
 
+# TOC
+- [Photos](#photos)
+- [Repository Content](#repository-content)
+- [Features Overview](#features-overview)
+- [Designed PCBs](#designed-pcbs)
+  * [1. Raspberry Pi Interface Board](#1-raspberry-pi-interface-board)
+  * [2. **Power Supply Board**](#2---power-supply-board--)
+  * [3. **LED Boards**](#3---led-boards--)
+- [Raspberry Pi Usage](#raspberry-pi-usage)
+  * [Connectivity](#connectivity)
+    + [LAN Connection (Ethernet)](#lan-connection--ethernet-)
+    + [WiFi Connection](#wifi-connection)
+    + [SSH Access](#ssh-access)
+    + [Remote Desktop (RDP)](#remote-desktop--rdp-)
+    + [Mount Raspberry Pi Filesystem in Windows (SAMBA)](#mount-raspberry-pi-filesystem-in-windows--samba-)
+- [Python Scripting](#python-scripting)
+  * [Running Python Examples](#running-python-examples)
+  * [Starting a New Python Project with I/O Access](#starting-a-new-python-project-with-i-o-access)
+  * [GUI Interface](#gui-interface)
+- [Housing](#housing)
+- [Dropped Features](#dropped-features)
 
-## Photo of All Hardware Components
+
+
+# Photos
+### Photo of all Hardware Components
 <p align="center">
   <img src="doc/photos/all-components.jpg" alt="All Components (Disassembled)" width="75%"/>
 </p>
@@ -265,9 +289,7 @@ Example scripts demonstrating I/O control can be found in [`rpi-scripts/examples
 
 ---
 
-## Scripts & Development
-
-### Running Python Examples
+## Running Python Examples
 Pre-written **Python scripts** to control I/O terminals are located in:
 ```
 rpi-scripts/examples
@@ -278,7 +300,9 @@ cd /home/pi/git/rpi-interface-board/rpi-scripts/examples/
 python read_digital_inputs.py
 ```
 
-### Starting a New Python Project with I/O Access
+---
+
+## Starting a New Python Project with I/O Access
 To create a custom Python project using the **interface board**, follow these steps:
 
 1. **Copy the entire `rpi-scripts/` folder** to your new project directory.
@@ -290,7 +314,8 @@ To create a custom Python project using the **interface board**, follow these st
 ---
 
 ## GUI Interface
-A **Python GUI** is available for **real-time monitoring** and **control** of all I/O terminals for quick testing.
+A **Python GUI** is available for **real-time monitoring** and **control** of all I/O terminals for quick testing.  
+Currently it auto starts after boot and shows on the integrated display in fullscreen mode.
 
 ### Run the GUI
 ```bash
@@ -314,8 +339,9 @@ sudo systemctl disable gui-start.service
 
 ### GUI Screenshots
 <p align="center">
-  <img src="doc/graphics/python-gui-control.png" width="80%" />
-  <img src="doc/graphics/python-gui-monitor.png" width="80%" />
+  <img src="doc\graphics\GUI_tab-control.png" width="70%" />
+  <img src="doc\graphics\GUI_tab-adc-plot.png" width="70%" />
+  <img src="doc\graphics\GUI_tab-digital-plot.png" width="70%" />
 </p>
 
 
@@ -336,8 +362,12 @@ Custom-designed enclosure includes:
 <img src="doc/graphics/3d-model_housing.png" width="80%" alt="3D Model"/>
 
 
+<br>
+
 ---
 
+<br>
+
 
 # Dropped Features
 The following ideas were considered but not implemented:
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