All official archived versions of the XC32 compiler—including installers for Windows, macOS, and Linux—are hosted on the MPLAB Ecosystem Downloads Archive .
For those needing to build the compiler from scratch, the XC32 Source Archives provide the GPL-compliant source code for various releases. Why You Might Need an Older XC32 Version MPLAB® Ecosystem Downloads Archive | Microchip Technology
Accessing the is a critical step for developers who need to maintain legacy projects or ensure bit-for-bit build reproducibility. While the main product page typically features only the latest release, Microchip provides a dedicated repository for all previous versions of their compilers. Where to Find the XC32 Download Archive
MPLAB® Ecosystem Downloads Archive. Microchip Technology. This page requires frames in order to show content. Microchip Technology MPLAB® XC32 Compiler - Microchip Technology
Most versions can be found by navigating to the "Compilers" section of the archive page.
If a specific minor version is missing from the list, you can often manually edit the URL of a known download link by replacing the version number (e.g., changing v4.30 to v4.25 in the filename).
The MPLAB® XC32 C/C++ Compiler is a powerful, optimizing compiler that converts your ISO C and C++ programs into high-performance, Microchip Technology Archives | Microchip Technology