Macintosh System Software 4.2a4 (Build of System 5.0)

Author: Apple
Type: System
Language:
Shared by: MR
On: 2023-12-23 17:29:48
Updated by: Amid
On: 2024-02-15 19:30:16
Rating: 0.00 Clarus out of 10 (0 vote)
Rate it: 12345678910

Year: 1987

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What is Macintosh System Software 4.2a4 (Build of System 5.0)?

Mac System Software 4.2a4 is an early beta build of Mac System Software 5.x, which was shared on 12 September 2022.

This build features a new design for the about box. It now additionally includes information about the used memory, separated by system and applications. The version number of Finder was added as well alongside the one of the system. It was later ported to Mac System Software 3.4.

 - (BetaWiki)


Download Macintosh System Software 4.2a4 (Build of System 5.0) for Mac

System_4.2a4_Floppy_disk_version.zip
(3.2 MiB / 3.36 MB)
/ Zipped
29 / 2023-12-23 / 2024-02-15 / df2eb12ff8f1358045f660c18fdbd3f047801cc1 / /
System_4.2a4_Pre-Installed.zip
(6.76 MiB / 7.09 MB)
/ Zipped
19 / 2023-12-23 / 2024-02-15 / d799bf0d0df454efa48f14cab268db066aa9ad59 / /


Architecture


Motorola 68K



System Requirements

From Mac OS 4.2 up to Mac OS 5.0





Compatibility notes


Emulating this? It could probably run under: Mini vMac




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