Macos Sierra 10.12 Installer Download

Download: macOS Big Sur, macOS Catalina, macOS Mojave, or macOS High Sierra These download to your Applications folder as an app named Install macOS version name.If the installer opens after downloading, quit it without continuing installation. All macOS-powered device developers and general public users can free install the latest macOS Big Sur 11.0.1 Final Update by going to App Store Software Update option. Another method is to go for manual offline installation of macOS 11.0.1 without app store after free download macOS 11.0.1 final dmg installer file via direct link or torrent.

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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.

What you need to create a bootable installer

• A USB flash drive or other secondary volume formatted as Mac OS Extended, with at least 14GB of available storage
• A downloaded installer for macOS Big Sur, Catalina, Mojave, High Sierra, or El Capitan

Download macOS

• Download: macOS Big Sur, macOS Catalina, macOS Mojave, or macOS High Sierra
  These download to your Applications folder as an app named Install macOS [version name]. If the installer opens after downloading, quit it without continuing installation. 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.
• 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. You will create the bootable installer from this app, not from the disk image or .pkg installer.

Use the 'createinstallmedia' command in Terminal

1. Connect the USB flash drive or other volume that you're using for the bootable installer.
2. Open Terminal, which is in the Utilities folder of your Applications folder.
3. Type or paste one of the following commands in Terminal. These assume that the installer is 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.

Big Sur:*

Catalina:*

Mojave:*

High Sierra:*

El Capitan:

* If your Mac is using macOS Sierra or earlier, include the --applicationpath argument and installer path, similar to the way this is done in the command for El Capitan.

After typing the command:

1. Press Return to enter the command.
2. When prompted, type your administrator password and press Return again. Terminal doesn't show any characters as you type your password.
3. When prompted, type Y to confirm that you want to erase the volume, then press Return. Terminal shows the progress as the volume is erased.
4. After the volume is erased, you may see an alert that Terminal would like to access files on a removable volume. Click OK to allow the copy to proceed.
5. When Terminal says that it's done, the volume will have the same name as the installer you downloaded, such as Install macOS Big Sur. You can now quit Terminal and eject the volume.
   

Use the bootable installer

Determine whether you're using a Mac with Apple silicon, then follow the appropriate steps:

Apple silicon

1. Plug the bootable installer into a Mac that is connected to the internet and compatible with the version of macOS you're installing.
2. Turn on your Mac and continue to hold the power button until you see the startup options window, which shows your bootable volumes and a gear icon labled Options.
3. Select the volume containing the bootable installer, then click Continue.
4. When the macOS installer opens, follow the onscreen instructions.

Intel processor

1. Plug the bootable installer into a Mac that is connected to the internet and compatible with the version of macOS you're installing.
2. Press and hold the Option (Alt) ⌥ key immediately after turning on or restarting your Mac.
3. Release the Option key when you see a dark screen showing your bootable volumes.
4. Select the volume containing the bootable installer. Then click the up arrow or press Return.
   If you can't start up from the bootable installer, make sure that the External Boot setting in Startup Security Utility is set to allow booting from external media.
5. Choose your language, if prompted.
6. Select Install macOS (or Install OS X) from the Utilities window, then click Continue and follow the onscreen instructions.

• Download: macOS Big Sur, macOS Catalina, macOS Mojave, or macOS High Sierra
  These download to your Applications folder as an app named Install macOS [version name]. If the installer opens after downloading, quit it without continuing installation. 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.
• 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. You will create the bootable installer from this app, not from the disk image or .pkg installer.

Use the 'createinstallmedia' command in Terminal

1. Connect the USB flash drive or other volume that you're using for the bootable installer.
2. Open Terminal, which is in the Utilities folder of your Applications folder.
3. Type or paste one of the following commands in Terminal. These assume that the installer is 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.

Big Sur:*

Catalina:*

Mojave:*

High Sierra:*

El Capitan:

* If your Mac is using macOS Sierra or earlier, include the --applicationpath argument and installer path, similar to the way this is done in the command for El Capitan.

After typing the command:

1. Press Return to enter the command.
2. When prompted, type your administrator password and press Return again. Terminal doesn't show any characters as you type your password.
3. When prompted, type Y to confirm that you want to erase the volume, then press Return. Terminal shows the progress as the volume is erased.
4. After the volume is erased, you may see an alert that Terminal would like to access files on a removable volume. Click OK to allow the copy to proceed.
5. When Terminal says that it's done, the volume will have the same name as the installer you downloaded, such as Install macOS Big Sur. You can now quit Terminal and eject the volume.
   

Use the bootable installer

Determine whether you're using a Mac with Apple silicon, then follow the appropriate steps:

Apple silicon

1. Plug the bootable installer into a Mac that is connected to the internet and compatible with the version of macOS you're installing.
2. Turn on your Mac and continue to hold the power button until you see the startup options window, which shows your bootable volumes and a gear icon labled Options.
3. Select the volume containing the bootable installer, then click Continue.
4. When the macOS installer opens, follow the onscreen instructions.

Intel processor

1. Plug the bootable installer into a Mac that is connected to the internet and compatible with the version of macOS you're installing.
2. Press and hold the Option (Alt) ⌥ key immediately after turning on or restarting your Mac.
3. Release the Option key when you see a dark screen showing your bootable volumes.
4. Select the volume containing the bootable installer. Then click the up arrow or press Return.
   If you can't start up from the bootable installer, make sure that the External Boot setting in Startup Security Utility is set to allow booting from external media.
5. Choose your language, if prompted.
6. 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 the appropriate path in Terminal:

• Big Sur: /Applications/Install macOS Big Sur.app/Contents/Resources/createinstallmedia
• Catalina: /Applications/Install macOS Catalina.app/Contents/Resources/createinstallmedia
• Mojave: /Applications/Install macOS Mojave.app/Contents/Resources/createinstallmedia
• High Sierra: /Applications/Install macOS High Sierra.app/Contents/Resources/createinstallmedia
• El Capitan: /Applications/Install OS X El Capitan.app/Contents/Resources/createinstallmedia

A bootable installer doesn't download macOS from the internet, but it does require an internet connection to get firmware and other information specific to the Mac model.

Upgrading from one operating system to the another OS is the way of installing Windows or Mac operating system. In this article, you are going to learn that how to upgrade Mac OS X El Capitan to macOS Sierra 10.12. macOS Sierra 10.12 is the latest released version of Mac operating system right now. Also, you will learn that what is an upgrade and how you can do upgrade from on OS to the another version of OS.

Upgrading is the process of replacing a product with a newer version of the same product. In computing and consumer electronics an upgrade is generally a replacement of hardware, software or firmware with a newer or better version, in order to bring the system up to date or to improve its characteristics. You have two kinds of upgrading;

1. Hardware upgrading
2. Software upgrading

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1. Hardware Upgrade

Hardware upgrading is the replacement of new hardware with the old versions. Or an upgrade is a term that describes adding new hardware in a computer that improves its performance. For example, with a hardware upgrade you could replace your hard drive with an SSD and get a huge boost in performance or upgrade the RAM so the computer runs more smoothly. Like this, you can upgrade various components of the computer.

#2. Software Upgrade

To replace (a softwareprogram)with a morerecentlyreleased,enhancedversion. For example, you may be running version 10.11 of Mac OS, version 10.12 is an upgrade, and version 10.11.x is an update. Another good example of a software upgrade is upgrading your version of Windows. For example, if you had Microsoft Windows 8.1 and were upgrade to Windows 10, it would be considered a software upgrade.

Now that you have understood the meaning of upgrading and let's get started with 'How to upgrade Mac OS X El Capitan to macOS Sierra 10.12'.

Upgrade Mac OS X El Capitan to macOS Sierra 10.12

To upgrade Mac OS X El Capitan to macOS Sierra 10.12, the latest updates from Apple.Inc, Download the macOS Sierra 10.12.1 latest version from Apple App Store.

#1.Open Apple App Store then navigate to Featured tab. Find macOS Sierra from right sidebar on app store then click on. Finally, you'll see the snapshot below and click Download. Type your apple ID with the password. It will automatically download macOS Sierra 10.12.1 in the Applicationfolder on your Mac device.

#2. Once the download process is completed navigate to the Applicationfolder or just launch the launchpad then click on macOS Sierra setup. macOS Sierra Welcome window will appear. Click Continue.

#3. Agree to the software license agreement and then hit the Agreebutton.

Agree to the License agreement

#4. If you've multiple disks on your device, select one of them and hit the Installbutton and click Continue

#5. It will take a minute or less than a minute. Right after that, your computer will restart.

Installing macOS Sierra on MacBook Pro

#6. Click the 'Restart' button. Keep in mind that your computer may restart more than once during installation.

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Restarting macOS Sierra 10.12

Right after clicking on Restart button, your device will automatically restart and you have to wait for some minutes to complete the installation.

#7. This may take up to 30 or 40 minutes to finish the upgrading process so just relax and set back. The duration of installation is depending on your device processor, SSD, and RAM.

#8. Now, enter your Apple ID with the password. If you were already signed in. The below screen shot may appear. Enter your Apple ID's password or choose 'Set up Later'.

Enter your Apple ID with Password

#9. In the 'Diagnostics & Usage' window click 'Continue'.

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Diagnostics & Usage

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#10. Enable 'Siri' if you wish then hit the 'Continue' button.

Conclusion

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Here we go. It's finished now enjoy using new Apple desktop operating system 'macOS Sierra 10.12'. If you have any question regarding this or our other posts, feel free to let us know. Thanks for being with dear friends.

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