Check compatibility
Download Mac Os X 10.6.8 Install Disk Image. Obtain the macOS / OS X Disc Image (see instructions above). Go to Macintosh HD Applications Utilities Disk Utility. Click on the 'Burn' button at the top of the Disk Utility window. Navigate to the macOS / OS X disc image ('InstallESD.dmg' file) Select the disc image. Click the 'Burn' button. Download: OS X El Capitan This downloads as a disk image named InstallMacOSX.dmg. On a Mac that is compatible with El Capitan, open the disk image and run the installer within, named InstallMacOSX.pkg. It installs an app named Install OS X El Capitan into your Applications folder. Install older OS X onto an external drive. The following method allows you to download Mac OS X Lion, Mountain Lion, and Mavericks. Start your Mac holding down Command + R. Prepare a clean external drive (at least 10 GB of storage). Within OS X Utilities, choose Reinstall OS X. Select external drive as a source. Enter your Apple ID. Download Mac OS X Mountain Lion 10.8 ISO. We ensure that you are satisfied with the information that we have provided on Download Mac OS X Mountain Lion 10.8 ISO and DMG Image. Learn the procedure of downloading Download Mac OS X Mountain Lion 10.8 ISO and DMG Image.
You can upgrade to OS Yosemite on any of the following Mac models. Your Mac also needs at least 2GB of memory and 8GB of available storage space.
MacBook introduced in 2009 or later, plus MacBook (13-inch, Aluminum, Late 2008)
MacBook Air introduced in late 2008 or later
MacBook Pro introduced in mid 2007 or later
Mac mini introduced in early 2009 or later
iMac introduced in mid 2007 or later
Mac Pro introduced in early 2008 or later
Xserve models introduced in early 2009
To find your Mac model, memory, storage space, and macOS version, choose About This Mac from the Apple menu . If your Mac isn't compatible with OS X Yosemite, the installer will let you know.
Make a backup
What is Mac OS 8.0 install floppies? Mac OS 8.0 install on 27 floppy (1.4MB) disks, plus 2 tools disks, all in DSK format, bundled on a Toast disk image to preserve DiskCopy enabling resource forks, but they can be extracted and used without DiskCopy as well. Download Mac OS 8.0 install floppies for Mac. These empty disk images range from 3GB HFS formated (appropriate for Mac OS 6, 7 or 8.0) up to 32GB HFS+ formated (Mac OS 8.1, 9 or early Mac OS X). Note: Please be patient when extracting these blank disk images, as your hard disk has to write the whole space (up to 30GB) so it might take a couple minutes depending on your computer specs.
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. Global Nav Open Menu Global Nav Close Menu; Apple; Shopping Bag +.
Before installing any upgrade, it’s a good idea to back up your Mac. Time Machine makes it simple, and other backup methods are also available. Learn how to back up your Mac.
Get connected
It takes time to download and install OS X, so make sure that you have a reliable Internet connection. If you're using a Mac notebook computer, plug it into AC power.
Download OS X Yosemite
For the strongest security and latest features, find out whether you can upgrade to macOS Catalina, the latest version of macOS.
If you still need OS X Yosemite, use this link: Download OS X Yosemite. A file named InstallMacOSX.dmg will download to your Mac.
Install the macOS installer
Double-click the downloaded file to open a window showing its contents. Then double-click the file within, named InstallMacOSX.pkg.
Follow the onscreen instructions, which will guide you through the steps necessary to install.
Begin installation
After installation of the installer is complete, open the Applications folder on your Mac, then double-click the file named Install OS X Yosemite.
Click Continue and follow the onscreen instructions. You might find it easiest to begin installation in the evening so that it can complete overnight, if needed.
Allow installation to complete
Please allow installation to complete without putting your Mac to sleep or closing its lid. Your Mac might restart, show a progress bar, or show a blank screen several times as it installs both OS X and related updates to your Mac firmware.
Learn more
- OS X Yosemite won't install on top of a later version of macOS, but you can erase your disk first or install on another disk.
- You can use macOS Recovery to reinstall macOS.
We offer open-source (Linux/Unix) virtual machines (VDIs) for VirtualBox, we install and make them ready-to-use VirtualBox images for you. From here you can download and attach the VDI image to your VirtualBox and use it. We offer images for both architectures 32bit and 64bit, you can download for free for both architectures. At the moment we have plans to offer you 30+ Linux/Unix distributions, we may add more to our list in near future, you can also send us suggestions if we are missing any popular distribution from our list. You can check FAQs for Credentials(Username & Password) for VDI images. Here you can follow the guide how to attach/configure VDI image with VirtualBox. We do not install ‘Guest Additions’ in the OS or add any kind of stuff, read our privacy policy.
VirtualBox is the most easiest way to run secondary OS on your primary operating system, If your hardware doesn’t allow you to install any other operating system then VirtualBox comes in hand. It is a free and powerful x86 and AMD64/Intel64 virtualization product available for most of the operating systems such as Linux, Microsoft Windows, Mac OS X, Solaris and ported version for FreeBSD. Read wiki about VirtualBox.
You can follow our blog for new images we release for VirtualBox.
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