Need a copy of System 6.0.8, 7.0.1, or a newer version of the Classic Mac OS for your vintage Mac? You can dig through apple.com and try to find them – or you can download them using the updated links on this page. (Apple does rearrange things, making it more difficult to find things.) All versions of the Mac OS linked here are copyrighted by Apple Computer and free to Macintosh owners. System 7.1.x as well as 7.6.x and later are not free products and must be purchased.
Making Floppies
Software is stuffed and requires an expander, such as StuffIt Expander (which was traditionally bundled with early Mac web browsers). Mounting disk images or making floppies from them requires Disk Copy (download Disk Copy) or MountImage.
You will need a 400K or 800K floppy drive to produce single-sided disks for use with the Mac 128K and 512K Fat Mac. Apple's high density floppy drives cannot format single-sided floppies.
Mac OS 7.0 & 7.0.1 (Mac abandonware from 1992) To date, Macintosh Repository served 1331675 old Mac files, totaling more than 257899.8GB! Apple iMac 20-Inch 'Core 2 Duo' 2.4 (Al) Specs. Identifiers: Mid-2007 - MA877LL - iMac7,1 - A1224 - 2133 All iMac 20-Inch Models All 2007 Models Dynamically Compare This Mac to Others. Distribute This Page: Bookmark & Share Download: PDF Manual The iMac 'Core 2 Duo' 2.4 20-Inch (Aluminum) features a 2.4 GHz Intel 'Core 2 Duo' processor (T7700), with two independent processor 'cores' on a. Ideally, you'd like to be able to install the latest version that the machine can support (as already mentioned by Michael Vogel and Joe Belkin). In the case of the 2007 iMac, it would be OS X 10.11.6 (El Capitan).
You cannot use a USB floppy drive to create 800K floppy disks; they can only be formatted and written to using an Apple 800K or 1.4M HD floppy drive.
You should have no trouble formatting and writing to high density floppies using a USB floppy drive.
Drive Prep
Whenever possible, Apple branded hard drives should be formatted or updated with HD SC Setup 7.3.5 or later before installing a new version of the OS. (Exception: If the hard drive of a Mac Portable is formatted with any version newer than 7.3.1, it will crash instead of waking from sleep mode.)
For an interesting overview of Mac OS history, read Evolution v. Revolution on MacKiDo. And for tips on choosing a version of the Mac OS, read What's the Best System Version?
Pre System 6
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- Several older versions of the Mac OS were available for download through links on The Mac 512, including 1.0, 1.1, 2.0, 3.2, and 4.2. However, Apple forced them and other sites to stop distributing older versions of the Mac OS. Gamba's page may still work.
- Introduction to Mac OS 1 through 5 on MacKiDo provides a quick overview of every version of the Mac OS from System 1.0/Finder 1.0 to System Software 5.1. (Note: Many download links no longer work.)
System 6
- System 6.0.x from System 6 Heaven
- Hardware Requirements for System 6.0.8 to 7.6, Gamba
- For more on System 6, visit System 6 Heaven and see The Joy of Six: Apple's Fast, Svelte, Reliable, and Still Useful System 6
System 7
- System 7.1 and Update 3.0 are available for download from the University of Calgary.
- Apple has made available System 7.5.3 for free download (19 image files!) but no longer hosts the files. Data files require System 7.0.1 or later. (Don't forget the System 7.5.5 update.) Try these links:
- For international users, first go to Apple's software updates page, then choose the language you want, then select Macintosh, then click on System, and then choose System 7.5 Update 2.0.
- Hardware requirements for System 6.0.8 to 7.6, Gamba
- Newer versions of the system must be purchased (see below).
Mac OS 8
- Petition: Release Mac OS 8.1 and 8.5.1, Steve Godun, Petition Online. If you'd like to see Apple make OS 8.1 and 8.5.1 free to all, as they did with System 7.5.3, please sign this petition.
Classic Mac OS Updates
Mac OS X updates are readily handled through Software Update, but pre-X updates can be difficult to locate. Links are to English language version of the Mac OS.
- System 7.5.3 update (from 7.5.x)
- System 7.5.5 update (only from 7.5.3)
- Mac OS 7.6.1 update (only from 7.6)
- For more on Mac OS 7.x, visit System 7 Today and see System 7: Bigger, Better, More Expandable, and a Bit Slower than System 6 and System 7.5 and Mac OS 7.6: The Beginning and End of an Era
- Mac OS 8.1 update (only from 8.0, adds HFS+ support, last to support any 680×0 Macs, and 680×0 Macs cannot boot from HFS+ volumes, first version of Mac OS to support Carbon apps)
- Mac OS 8.6 update (from 8.5 or 8.5.1, PowerPC only, new nanokernel supports Multiprocessing Services 2.0)
- For more on Mac OS 8.x, see Mac OS 8 and 8.1: Maximum Size, Maximum Convenience
- Mac OS 9.1 update (from 9.0.x)
- Mac OS 9.2.1 update (from 9.1 or 9.2)
- Mac OS 9.2.2 update (only from 9.2.1)
- For more on Mac OS 9, visit Mac OS 9 Lives
Where to Buy the Classic Mac OS
You may be able to purchase system software from Apple or dealers with old stock.
- System 6.0.8, $15
- System 7.1 + Update 3.0, $25
- System 7.5.3 + Update to 7.5.5, $25
Mac OS 7.6 and later are usually available through dealers, eBay, and LEM Swap. Descargar google chrome para pc sin internet. Mac OS 7.6 requires a 32-bit clean Mac, a 68030 or later CPU, 8 MB of RAM (16 MB recommended), and at least 70 MB of available drive space (120 MB if you wish to install all the options).
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Is your Mac up to date with the latest version of the Mac operating system? Is it using the version required by some product that you want to use with your Mac? Which versions are earlier (older) or later (newer, more recent)? To find out, learn which version is installed now.
If your macOS isn't up to date, you may be able to update to a later version.
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Which macOS version is installed?
From the Apple menu in the corner of your screen, choose About This Mac. You should see the macOS name, such as macOS Mojave, followed by its version number. If you need to know the build number as well, click the version number to see it.
Which macOS version is the latest?
These are all Mac operating systems, starting with the most recent. When a major new macOS is released, it gets a new name, such as macOS Big Sur. As updates that change the macOS version number become available, this article is updated to show the latest version of that macOS.
If your Mac is using an earlier version of any Mac operating system, you should install the latest Apple software updates, which can include important security updates and updates for the apps that are installed by macOS, such as Safari, Books, Messages, Mail, Music, Calendar, and Photos.
macOS | Latest version |
---|---|
macOS Big Sur | 11.0.1 |
macOS Catalina | 10.15.7 |
macOS Mojave | 10.14.6 |
macOS High Sierra | 10.13.6 |
macOS Sierra | 10.12.6 |
OS X El Capitan | 10.11.6 |
OS X Yosemite | 10.10.5 |
OS X Mavericks | 10.9.5 |
OS X Mountain Lion | 10.8.5 |
OS X Lion | 10.7.5 |
Mac OS X Snow Leopard | 10.6.8 |
Mac OS X Leopard | 10.5.8 |
Mac OS X Tiger | 10.4.11 |
Mac OS X Panther | 10.3.9 |
Mac OS X Jaguar | 10.2.8 |
Mac OS X Puma | 10.1.5 |
Mac OS X Cheetah | 10.0.4 |