Mac System Software 6.0.3b3
| Build of Mac System Software 6.x | |
 | |
| Architecture | 68k |
|---|---|
| Compiled | 1988-11-28 |
| About |  |
Mac System Software 6.0.3b3 is a beta build of Mac System Software 6.x. The installation process involves replacing System 6.0.2's "System" file with the one from System 6.0.3b3 as there is no Installer.
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System version
