Mar 12, 2020 Select Install macOS (or Install OS X) from the Utilities window, then click Continue and follow the onscreen instructions. Learn more For more information about the createinstallmedia command and the arguments that you can use with it, make sure that the macOS installer is in your Applications folder, then enter this path in Terminal. Jun 15, 2020 Removing apps could prove to be a hassle, no matter in old Mac OS X or the new macOS Catalina. In this article, we will provide you with more than enough insight into deciding one best app to completely remove Mac programs with leftovers, and give you a list of best free Mac app uninstaller.
These advanced steps are primarily for system administrators and others who are familiar with the command line. You don't need a bootable installer to upgrade macOS or reinstall macOS, but it can be useful when you want to install on multiple computers without downloading the installer each time.
Download macOS
Find the appropriate download link in the upgrade instructions for each macOS version:
macOS Catalina, macOS Mojave, ormacOS High Sierra
Installers for each of these macOS versions download directly to your Applications folder as an app named Install macOS Catalina, Install macOS Mojave, or Install macOS High Sierra. If the installer opens after downloading, quit it without continuing installation. Important: To get the correct installer, download from a Mac that is using macOS Sierra 10.12.5 or later, or El Capitan 10.11.6. Enterprise administrators, please download from Apple, not a locally hosted software-update server.
Installers for each of these macOS versions download directly to your Applications folder as an app named Install macOS Catalina, Install macOS Mojave, or Install macOS High Sierra. If the installer opens after downloading, quit it without continuing installation. Important: To get the correct installer, download from a Mac that is using macOS Sierra 10.12.5 or later, or El Capitan 10.11.6. Enterprise administrators, please download from Apple, not a locally hosted software-update server.
OS X El Capitan
El Capitan downloads as a disk image. 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. You will create the bootable installer from this app, not from the disk image or .pkg installer.
El Capitan downloads as a disk image. 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. You will create the bootable installer from this app, not from the disk image or .pkg installer.
Use the 'createinstallmedia' command in Terminal
- Connect the USB flash drive or other volume that you're using for the bootable installer. Make sure that it has at least 12GB of available storage and is formatted as Mac OS Extended.
- Open Terminal, which is in the Utilities folder of your Applications folder.
- Type or paste one of the following commands in Terminal. These assume that the installer is still in your Applications folder, and MyVolume is the name of the USB flash drive or other volume you're using. If it has a different name, replace
MyVolume
in these commands with the name of your volume.
Catalina:*
Mojave:*
High Sierra:*
El Capitan: - Press Return after typing the command.
- When prompted, type your administrator password and press Return again. Terminal doesn't show any characters as you type your password.
- When prompted, type
Y
to confirm that you want to erase the volume, then press Return. Terminal shows the progress as the bootable installer is created. - When Terminal says that it's done, the volume will have the same name as the installer you downloaded, such as Install macOS Catalina. You can now quit Terminal and eject the volume.
* If your Mac is using macOS Sierra or earlier, include the
--applicationpath
argument, similar to the way this argument is used in the command for El Capitan.Use the bootable installer
After creating the bootable installer, follow these steps to use it:
- Plug the bootable installer into a compatible Mac.
- Use Startup Manager or Startup Disk preferences to select the bootable installer as the startup disk, then start up from it. Your Mac will start up to macOS Recovery.
Learn about selecting a startup disk, including what to do if your Mac doesn't start up from it. - Choose your language, if prompted.
- A bootable installer doesn't download macOS from the Internet, but it does require the Internet to get information specific to your Mac model, such as firmware updates. If you need to connect to a Wi-Fi network, use the Wi-Fi menu in the menu bar.
- Select Install macOS (or Install OS X) from the Utilities window, then click Continue and follow the onscreen instructions.
Learn more
For more information about the
createinstallmedia
command and the arguments that you can use with it, make sure that the macOS installer is in your Applications folder, then enter this path in Terminal:Catalina:
Mojave:
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High Sierra:
El Capitan:
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. Use the new Messaging app to write and send photos, videos, contacts, links and documents to anyone using another Mac, iPhone, iPad or iPod touch.
OS X Mountain Lion 10 DMG enables you to start a conversation on one device and continue on another. Send to all files, web pages, photos, videos and tweets with the new Share button, directly from the app you are using. Create to-do lists and alerts that will appear in the new Notification Center, with the Reminder app. Take notes of all your ideas with Notes, and write aloud with the Dictation feature.
Download OS X Mountain Lion Mac and enjoy the most useful operating system for mac users. And if you want to have fun, challenge friends who have a Mac or an iOS device in fantastic games on the Mac with Game Center. And in addition iCloud is standard: so keep up to date on all your mail devices, contacts, calendars, reminders, notes, to-do lists, music, photos, iWork documents, PDF and much more is really easy.
OS X Mountain Lion 10 DMG Features:
Messages
• Send messages from your Mac to anyone with an iPhone, iPad or another Mac.
• With iMessage you can start a conversation on your Mac and continue it on your iPhone or iPad.
• Messages also supports traditional instant messaging services such as AIM, Yahoo! Google Talk and Jabber.
• Send messages from your Mac to anyone with an iPhone, iPad or another Mac.
• With iMessage you can start a conversation on your Mac and continue it on your iPhone or iPad.
• Messages also supports traditional instant messaging services such as AIM, Yahoo! Google Talk and Jabber.
iCloud
• Documents in the cloud lets you create and edit documents on your Mac, iPhone and iPad.
• The new Reminder app simplifies task management. Pin up your ideas with the new Note app. And with iCloud, keep your reminders and notes up-to-date on all your devices.
• Documents in the cloud lets you create and edit documents on your Mac, iPhone and iPad.
• The new Reminder app simplifies task management. Pin up your ideas with the new Note app. And with iCloud, keep your reminders and notes up-to-date on all your devices.
Safari
• Use the new smart search field to write addresses and search the web.
• Pinch to view panels with the panel view and scroll to switch between them.
• With iCloud panels, the last websites you’ve visited are accessible from your iPhone, iPad and Mac. *
• Use the new smart search field to write addresses and search the web.
• Pinch to view panels with the panel view and scroll to switch between them.
• With iCloud panels, the last websites you’ve visited are accessible from your iPhone, iPad and Mac. *
Notification center
• New notifications appear in the upper right corner of your screen.
• Open Notification Center from anywhere in OS X to see the latest notifications.
• Configure your notifications to receive only the ones you want.
• New notifications appear in the upper right corner of your screen.
• Open Notification Center from anywhere in OS X to see the latest notifications.
• Configure your notifications to receive only the ones you want.
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Sharing
• Share links, photos, videos and other files directly from the app you are using.
• Share with Mail, Messages and AirDrop.
• Log in to Twitter, Flickr and Vimeo once, and then start sharing.
• Tweet directly from your apps.
• Share links, photos, videos and other files directly from the app you are using.
• Share with Mail, Messages and AirDrop.
• Log in to Twitter, Flickr and Vimeo once, and then start sharing.
• Tweet directly from your apps.
Game Center
• Play live multiplayer and turn-based matches against your friends on iPhone, iPad, iPod touch or Mac.
• Log in to the Game Center app to see friends on your gaming network.
• Check the rankings and results.
• See what your friends are playing and keep track of your progress.
• Play live multiplayer and turn-based matches against your friends on iPhone, iPad, iPod touch or Mac.
• Log in to the Game Center app to see friends on your gaming network.
• Check the rankings and results.
• See what your friends are playing and keep track of your progress.
Key features of Mountain Lion DMG:
- Dictation allows you to speak instead of writing: there is no need for training or configuration.
- AirPlay Mirroring shows the screen of your Mac on an HD TV via Apple TV.
- Power Nap keeps your Mac up to date while you’re sleeping, so it’s ready to go.
- With Gatekeeper downloading apps from the internet is safer because it allows you to control which apps can be installed on your Mac.
What’s new in Mac OS X Mountain Lion 10.8.5 ?
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The 10.8.5 update improves the stability, compatibility and security of your Mac. This update:
• Resolves an issue that may prevent Mail from viewing messages.
• Improves file transfer performance over AFP over 802.11ac Wi-Fi.
• Resolves an issue that may prevent the screen saver from starting automatically.
• Improves Xsan reliability
• Improves file transfer performance over AFP over 802.11ac Wi-Fi.
• Resolves an issue that may prevent the screen saver from starting automatically.
• Improves Xsan reliability
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System requirements:
Manufacturer : | Apple Inc |
Language : | Multi-languages |
Mac Platform : | Intel |
OS Version : | macOS X 10.8.5 |
CPU Type: | 86-Bit & 64-bit |
Size : | 4.2 GB |
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