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Mac Os X 10.8 0 Mountain Lion Free Download

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Mac OS X 10.8 (Mountain Lion) is no longer available for purchase from the Mac App Store. If you have Mac OS X 10.7 (Lion), and your computer meets the system requirements for OS X 10.11 (El Capitan), you can upgrade directly to that version instead; see ARCHIVED: Install or upgrade OS X 10.11 (El Capitan).

This content has been archived, and is no longer maintained by Indiana University. Information here may no longer be accurate, and links may no longer be available or reliable.

Jan 23, 2019 Mac OS X Mountain Lion Free Download. Get the latest 10.8.5 OS X Mountain Lion the newest version of the world’s most advanced desktop operating system. It has over 200 new features that update the Mac and make it the best computer there is. Mac OS X Mountain Lion Free Download DMG 10.8 App Store Release. It is final bootable OS X Mountain Lion 10.8 Install ESD.DMG File for Clean OS X Install. Mac OS X Mountain Lion Overview OS X Mountain Lion is the ninth release of the Mac OS X. This operating system was made available for the general public on 25th July 2012. All versions of macOS are free. You never need a crack to install one. You might be blocked from installing a certain version due to age of equipment, such a.

Mac os x 10.8 0 mountain lion free download pc
  • Reinstalling Mountain Lion

Upgrading from Mac OS X 10.7 (Lion)

Mac OS X 10.8 (Mountain Lion) is no longer available for purchasefrom the Mac App Store. If you have Mac OS X 10.7 (Lion), and yourcomputer meets the systemrequirements for OS X 10.11 (El Capitan), you can upgrade directlyto that version instead; see ARCHIVED: Install or upgrade OS X 10.11 (El Capitan)

Reinstalling Mountain Lion

To reinstall or recover Mountain Lion, you must have an activeInternet connection. If you are on campus at Indiana University,UITS recommends the wired Ethernet network instead ofwireless. However, if IU Secure is your only option, seeConnect to an IU wireless network in macOS if booted from your Recovery HD
10.8

Reinstalling while keeping files, applications, and settings

  1. Restart your computer, and immediately hold down command-r until the gray Apple logo appears.
  2. If prompted, select your main language and then click the arrow.
  3. Click Reinstall OS X, and then Continue. Follow the instructions on the screen, and then choose your hard disk. Click Install, and enter your Apple ID information if prompted.
  4. When the installation is complete, select App Store... from the Apple menu, and install any available updates.

Reinstalling while erasing everything on your computer

  1. Restart your computer, and immediately hold down command-r until the gray Apple logo appears.

  2. If prompted, select your main language and then click the arrow.
  3. Click Disk Utility, and then Continue.
  4. In Disk Utility, from the left column, click your harddisk. Select the Erase tab.
  5. Next to 'Format:', make sure Mac OS Extended (Journaled)is selected. Next to 'Name:', give your disk a name.
  6. If you would like to securely erase your data, click SecurityOptions..., adjust the slider accordingly, and clickOK. When you're ready, click Erase..., andthen Erase again to erase your disk. When the processcompletes, quit Disk Utility.
  7. Click Reinstall OS X, and then Continue. Followthe instructions and then choose your hard disk. ClickInstall and enter your Apple ID information if prompted.Once the installation is complete, you'll be asked to enter basicinformation and have the option to transfer data from another computeror a backup.
  8. Select Software Update... from the Apple menu and installany available updates.

To get the latest features and maintain the security, stability, compatibility, and performance of your Mac, it's important to keep your software up to date. Apple recommends that you always use the latest macOS that is compatible with your Mac.

Mac Os X 10.8 0 Mountain Lion free. download full

Learn how to upgrade to macOS Big Sur, the latest version of macOS.

Mac Os X 10.8 0 Mountain Lion Free Download

Check compatibility

If a macOS installer can't be used on your Mac, the installer will let you know. For example, it might say that your Mac doesn't have enough free storage space for the installation, or that the installer is too old to be opened on this version of macOS.

If you want to check compatibility before downloading the installer, learn about the minimum requirements for macOS Catalina, Mojave, High Sierra, Sierra, El Capitan, or Yosemite. You can also check compatible operating systems on the product-ID page for MacBook Pro, MacBook Air, MacBook, iMac, Mac mini, or Mac Pro.

Mac Os X 10.8 0 Mountain Lion Free Download Mediafire

Make a backup

Before installing, 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.

Download macOS

It takes time to download and install macOS, so make sure that you're plugged into AC power and have a reliable internet connection.

These installers from the App Store open automatically after you download them:

  • macOS Catalina 10.15 can upgrade Mojave, High Sierra, Sierra, El Capitan, Yosemite, Mavericks
  • macOS Mojave 10.14 can upgrade High Sierra, Sierra, El Capitan, Yosemite, Mavericks, Mountain Lion
  • macOS High Sierra 10.13 can upgrade Sierra, El Capitan, Yosemite, Mavericks, Mountain Lion, Lion

Your web browser downloads the following older installers as a disk image named InstallOS.dmg or InstallMacOSX.dmg. Open the disk image, then open the .pkg installer inside the disk image. It installs an app named Install [Version Name]. Open that app from your Applications folder to begin installing the operating system.

Mac os x 10.7 free
  • Reinstalling Mountain Lion

Upgrading from Mac OS X 10.7 (Lion)

Mac OS X 10.8 (Mountain Lion) is no longer available for purchasefrom the Mac App Store. If you have Mac OS X 10.7 (Lion), and yourcomputer meets the systemrequirements for OS X 10.11 (El Capitan), you can upgrade directlyto that version instead; see ARCHIVED: Install or upgrade OS X 10.11 (El Capitan)

Reinstalling Mountain Lion

To reinstall or recover Mountain Lion, you must have an activeInternet connection. If you are on campus at Indiana University,UITS recommends the wired Ethernet network instead ofwireless. However, if IU Secure is your only option, seeConnect to an IU wireless network in macOS if booted from your Recovery HD

Reinstalling while keeping files, applications, and settings

  1. Restart your computer, and immediately hold down command-r until the gray Apple logo appears.
  2. If prompted, select your main language and then click the arrow.
  3. Click Reinstall OS X, and then Continue. Follow the instructions on the screen, and then choose your hard disk. Click Install, and enter your Apple ID information if prompted.
  4. When the installation is complete, select App Store... from the Apple menu, and install any available updates.

Reinstalling while erasing everything on your computer

  1. Restart your computer, and immediately hold down command-r until the gray Apple logo appears.

  2. If prompted, select your main language and then click the arrow.
  3. Click Disk Utility, and then Continue.
  4. In Disk Utility, from the left column, click your harddisk. Select the Erase tab.
  5. Next to 'Format:', make sure Mac OS Extended (Journaled)is selected. Next to 'Name:', give your disk a name.
  6. If you would like to securely erase your data, click SecurityOptions..., adjust the slider accordingly, and clickOK. When you're ready, click Erase..., andthen Erase again to erase your disk. When the processcompletes, quit Disk Utility.
  7. Click Reinstall OS X, and then Continue. Followthe instructions and then choose your hard disk. ClickInstall and enter your Apple ID information if prompted.Once the installation is complete, you'll be asked to enter basicinformation and have the option to transfer data from another computeror a backup.
  8. Select Software Update... from the Apple menu and installany available updates.

To get the latest features and maintain the security, stability, compatibility, and performance of your Mac, it's important to keep your software up to date. Apple recommends that you always use the latest macOS that is compatible with your Mac.

Mac Os X 10.8 0 Mountain Lion free. download full

Learn how to upgrade to macOS Big Sur, the latest version of macOS.

Check compatibility

If a macOS installer can't be used on your Mac, the installer will let you know. For example, it might say that your Mac doesn't have enough free storage space for the installation, or that the installer is too old to be opened on this version of macOS.

If you want to check compatibility before downloading the installer, learn about the minimum requirements for macOS Catalina, Mojave, High Sierra, Sierra, El Capitan, or Yosemite. You can also check compatible operating systems on the product-ID page for MacBook Pro, MacBook Air, MacBook, iMac, Mac mini, or Mac Pro.

Mac Os X 10.8 0 Mountain Lion Free Download Mediafire

Make a backup

Before installing, 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.

Download macOS

It takes time to download and install macOS, so make sure that you're plugged into AC power and have a reliable internet connection.

These installers from the App Store open automatically after you download them:

  • macOS Catalina 10.15 can upgrade Mojave, High Sierra, Sierra, El Capitan, Yosemite, Mavericks
  • macOS Mojave 10.14 can upgrade High Sierra, Sierra, El Capitan, Yosemite, Mavericks, Mountain Lion
  • macOS High Sierra 10.13 can upgrade Sierra, El Capitan, Yosemite, Mavericks, Mountain Lion, Lion

Your web browser downloads the following older installers as a disk image named InstallOS.dmg or InstallMacOSX.dmg. Open the disk image, then open the .pkg installer inside the disk image. It installs an app named Install [Version Name]. Open that app from your Applications folder to begin installing the operating system.

  • macOS Sierra 10.12 can upgrade El Capitan, Yosemite, Mavericks, Mountain Lion, or Lion
  • OS X El Capitan 10.11 can upgrade Yosemite, Mavericks, Mountain Lion, Lion, or Snow Leopard
  • OS X Yosemite 10.10can upgrade Mavericks, Mountain Lion, Lion, or Snow Leopard

Install macOS

Follow the onscreen instructions in the installer. It might be easiest to begin installation in the evening so that it can complete overnight, if needed.

If the installer asks for permission to install a helper tool, enter the administrator name and password that you use to log in to your Mac, then click Add Helper.

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 macOS and related updates to your Mac firmware.

Learn more

You might also be able to use macOS Recovery to reinstall the macOS you're using now, upgrade to the latest compatible macOS, or install the macOS that came with your Mac.





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