There is no official standalone release version named Arduino IDE 1.8.57. This specific number usually refers to the Microsoft Store version of the Arduino IDE 1.8.19 legacy software.
Q: I need the exact version for a university course – where to find it?
A: Use the official legacy archive linked above. Instructors often require 1.8.57 because its interface matches textbook screenshots.
After installation, verify that Arduino IDE 1.8.57 has been installed correctly:
Why Choose Arduino IDE 1.8.57? (The Legacy Advantage)
Before clicking the download button, it is fair to ask: Why not download the latest version (2.3.x or higher)?
