Mac OS 7 was a major change from the earlier System Software, introducing integrated multitasking, a revamped desktop, networking, and transitioning the name from 'Macintosh System Software' To 'MacOS'. It was followed by by MacOS 8.x.
Old Macintosh Software
Running Mac OS 7.x requires a Motorola 68000 based Macintosh, a supported model of Power PC based Macintosh (7.1 or later) or one of the following emulators:
Nov 29, 2017. Top downloads for Mac. VLC media player Free cross-platform multimedia player. Soundflower Free audio routing solution. Google Chrome A superfast browser for your Mac! Netflix Your One-Stop Video Streaming App. Microsoft Teams Free communication and collaboration app from Microsoft. Related topics about Mac.
Mini vMac - Runs MacOS 1.1-7.5.5, emulates a black and white Motorola 68K based Mac Plus
Basilisk II - Runs MacOS 7.x-8.1, emulates later color Motorola 68k based Macs.
SheepShaver - Runs MacOS 7.5.2-9.0.4, emulates a Power PC based Macintosh.
Free Macintosh Software Download
Screenshots
PreviousNext
Release notes
An interim catchup release in the wake of Windows 95, bundling some extra desk accessories, more hardware support, and new APIs such as the modernized Open Transport.
Installation instructions
Note: Some of these CD images are actually hard disk volumes. You can mount those in an emulator, or some older CD burning programs know how to write them as a CD/ISO.
Old Macintosh Software Download
7.5.5 is the last supported version on Mac Plus, XL, Mac II, IIx, LC, IIcx, and SE/30, or anything with less than 68030 and 32-bit clean ROM.