Before clicking the download button, it is fair to ask: Why not download the latest version (2.3.x or higher)?
Select your board. For example:
Click on the link that says – but wait – that’s for the latest. You need the archive. Download Arduino IDE 1.8.57 for Windows
The classic IDE runs on Java Swing, which means it consumes significantly fewer system resources (RAM and CPU) than the newer Electron-based IDE 2.x. If you are working on an older Windows PC, a netbook, or a low-spec virtual machine, 1.8.57 will feel snappy and responsive. Before clicking the download button, it is fair
Some older third-party boards (e.g., certain clones, retired shields, or niche ATmega variants) have bootloader quirks that work flawlessly with the 1.8.x series but may show odd behavior in version 2.x. You need the archive
While searching for "Arduino IDE 1.8.57," it is important to clarify that this specific version number typically refers to the Microsoft Store version string Arduino IDE 1.8.19
Before clicking the download button, it’s important to understand why thousands of developers specifically seek out version .