You can check your Sketchbook folder location via the Arduino IDE: go to "Sketchbook location" in File > Preferences on Windows and Linux, and Android IDE > Preferences on macOS.

The latest version of Arduino’s Integrated Development Environment (IDE), version 2.3.3, has just been released, and it brings a host of new features ...

The Arduino team has also created a new Arduino Lab for MicroPython, offering coders and makes a simple, cross-platform IDE ...