The Arduino Integrated Development Environment - or Arduino Software (IDE) - contains a text editor for writing code, a message area, a text console, a toolbar with buttons for common functions and a series of menus. It connects to the Arduino hardware to upload programs and communicate with them.

OS	Files	Size
	Arduino IDE 1.8.19	111.87 MB
	Arduino IDE 2.0.0	162.01 MB
	Arduino IDE 2.0.0	191.20 MB

Boad Managers:
Can be installed by going to,

File >> Preferances

Under the Board Managers section, add the following lines;

https://raw.githubusercontent.com/Lauszus/Sanguino/master/package_lauszus_sanguino_index.json
http://arduino.esp8266.com/stable/package_esp8266com_index.json
https://raw.githubusercontent.com/sparkfun/Arduino_Boards/master/IDE_Board_Manager/package_sparkfun_index.json
https://adafruit.github.io/arduino-board-index/package_adafruit_index.json
https://github.com/earlephilhower/arduino-pico/releases/download/global/package_rp2040_index.json

https://www.arduino.cc/ Offical Web Site