Arduino IDE 2.2.1
The new major release of the Arduino IDE is faster and even more powerful! In addition to a more modern editor and a more responsive interface it features autocompletion, code navigation, and even a live debugger.
For more details, please refer to the Arduino IDE 2.0 documentation.
Nightly builds with the latest bugfixes are available through the section below.
The Arduino IDE 2.0 is open source and its source code is hosted on GitHub.
Arduino with Chromebook
To program Arduino from a Chromebook, you can use the Arduino Web Editor on Arduino Cloud. The desktop version of the IDE is not available on Chrome OS.
MicroPython With Arduino Boards
To program your boards using MicroPython, visit the MicroPython with Arduino page. There you find download links and additional resources for getting started with MicroPython on your Arduino boards.
Arduino PLC IDE 1.0.4
Program using IEC 61131-3 languages and mix Arduino sketches through Arduino PLC IDE! Configure easily your pre-mapped resources and get quick no code fieldbus support, dive into your code analysis thanks to the wide set of debugging tools.
For more details, please refer to Arduino PLC IDE documentation.
Legacy IDE (1.8.X)
Arduino IDE 1.8.19
The open-source Arduino Software (IDE) makes it easy to write code and upload it to the board. This software can be used with any Arduino board.
Refer to the Getting Started page for Installation instructions.
Active development of the Arduino software is hosted by GitHub. See the instructions for building the code. Latest release source code archives are available here. The archives are PGP-signed so they can be verified using this gpg key.
Terms of Service
By downloading the software from this page, you agree to the specified terms.
The Arduino software is provided to you "as is" and we make no express or implied warranties whatsoever with respect to its functionality, operability, or use, including, without limitation, any implied warranties of merchantability, fitness for a particular purpose, or infringement. We expressly disclaim any liability whatsoever for any direct, indirect, consequential, incidental or special damages, including, without limitation, lost revenues, lost profits, losses resulting from business interruption or loss of data, regardless of the form of action or legal theory under which the liability may be asserted, even if advised of the possibility or likelihood of such damages.