This Apple OS X Mountain Lion Updater is recommended for all 13' MacBook Pro with Retina Display, 21.5' iMac (Late 2012) and Mac mini (Late 2012) systems.It includes all features and updates from OS X 10.8.2 Mountain Lion plus system-specific enhancements and fixes for Late 2012 systems. The updated Apple OS X Mountain Lion is recommended for all 13″MacBook Pro with a retina display, 21.5 “iMac (late 2012) and Mac mini (late 2012) systems. You can also check out the Mac OS X Snow Leopard DMG. Features Of Mac OS X Mountain Lion 10.8.5. Auto-save to access previously saved part/version of content. The official system requirement of OS X Mountain Lion are 2 GB of RAM, 8 GB of storage. Still, the operating system can also be run on the following Macs: To use Mountain Lion, you need one of these Macs: iMac (Mid 2007 or newer) MacBook (Late 2008 Aluminium, or Early 2009 or newer) MacBook Pro (Mid/Late 2007 or newer) MacBook Air (Late 2008. Download: Mac OS X Mountain Lion 10.8 DMG & ISO Image. License Official Installer. File Size 4.4GB / 3.5GB. MacBook Pro (late 2008 or newer), MacBook Air (late.
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.
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.
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.
Macbook Pro Mountain Lion Download
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.
OS X Mountain Lion 10.8.2 Update for 13' Macbook Pro with Retina Display, 21.5' iMac (Late 2012) Mac mini (Late 2012). This update is recommended for all 13” MacBook Pro with Retina Display, 21.5' iMac (Late 2012) and Mac mini (Late 2012) systems. It includes all features and updates from OS X Mountain Lion v10.8.2 plus system-specific enhancements and fixes for Late 2012 systems.
New features include:
- Single sign on for Facebook
- Facebook as an option when sharing links and photos
- Facebook friends' contact information and profile pictures in Contacts
- Facebook notifications in Notification Center
Macbook Pro 2012 Os X Mountain Lion Download
Game Center
- Share scores to Facebook, Twitter, Mail, or Messages
- Facebook friends are included in Game Center friend recommendations
- Facebook Like button for games
- Challenge friends to beat your score or achievement
Other new features
- Power Nap support for MacBook Air (Late 2010)
- iMessages sent to your phone number now appear in Messages on your Mac
- From Safari and Mail on your Mac you can add passes to Passbook on your iPhone or iPod touch running iOS 6
- New shared Reminders lists
- FaceTime now receives calls sent to your phone number
- New sort options allow you to sort notes by title, the date you edited them, and when you created them
- Dictation now supports Mandarin, Cantonese, Spanish, Korean, Canadian English, Canadian French, and Italian
- The Dictionary application now includes a French definition dictionary
- Sina Weibo profile photos can now be added to Contacts
This update also includes general operating system fixes that improve the stability, compatibility and security of your Mac, including the following fixes:
- An option to discard the changes in the original document when choosing Save As
- Unsent drafts are opened automatically when launching Mail
- Receive Twitter notifications for mentions and replies from anyone
- URLs are shortened when sending tweets from Notification Center
- Notifications are disabled when AirPlay Mirroring is being used
- SSL support for Google searches from the Smart Search Field in Safari
- New preference to have Safari launch with previously open webpages
- Graphics performance and reliability enhancements
- USB 3 reliability enhancements
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