Latest Versions for ODYSSEY In order to best assist customers with support questions, it is strongly recommended that you update your software to the latest versions available. The latest ODYSSEY versions are listed below: Software Version (Size) Instructor's Edition (English) - Windows 2.4.2 (141 MB) Instructor's Edition (English) - Macintosh 2.4.2 (145 MB) Student Edition (English) - Windows 2.4.2 (140 MB) Student Edition (English) - Macintosh 2.4.2 (144 MB)     Instructor's Edition (Spanish) - Windows 2.4.1 (140 MB) Student Edition (Spanish) - Windows 2.4.1 (140 MB)     Instructor's Edition (Japanese) - Windows 2.4.1 (140 MB) Instructor's Edition (Japanese) - Macintosh 2.4.1 (145 MB) Student Edition (Japanese) - Windows 2.4.1 (140 MB) Student Edition (Japanese) - Macintosh 2.4.1 (145 MB)