Before you proceed to install MorphOS 3.21 for the first time, we suggest that you review our hardware compatibility page and read these installation instructions. If you experience any problems, please visit our help desk section.

MorphOS 3.21 Boot Media
MorphOS Live CD Image
MD5SUM: a1c13fde4051ddd2205e1db2cc5a373c
SD Card / USB Image
for Efika, Mac, Mirari, Sam460, X5000
MD5SUM: 7335ca83f4135888f66dbcd542586a98
MorphOS Software Development Kit
MorphOS 3.20 SDK - May 2026
-
Download
Legacy Updates for MorphOS 1.4
Source Code Releases
You will find an extensive list of readily available source packages on in our dedicated Source Code Section.