# Set Additional Board Manager URL
1. Run Arduino IDE
2. File - Preference
3. Set Additional Board Manager URL to http://arduino.esp8266.com/stable/package_esp8266com_index.json
4. Click OK Button
# Install Board Manager Library
1. Run Arduino IDE
2. Tool - Board - Board Manager
3. Type "ESP8266"
4. Install ESP8266 Board Library
5. Tool - Board - ESP8266 Board (x.x.x) - Generic ESP8266 Module
6. ESP8266 Detail Setting
With ESP8266 Board installed on Arduino IDE, we can program ESP8266 modules as a standalone microcontroller/board, as simple as program Arduino.