Download MzScheme

These downloads are for outdated versions, which are no longer maintained.
For current and newer versions, please go to the web site for Racket.
Version: 4.2.5 Other Versions

Software License  •  Download Pre-Release Software

System Requirements: Windows (95 and up), Mac OS X (10.3 and up), Unix, or standard x86 hardware. The latest version of MzScheme is useful given at least 5 MB of RAM, and installing requires roughly 20 MB of disk space.