How Do I Install .dmg

2021. 7. 3. 18:50카테고리 없음



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Eject the DMG file Once you have installed the program contained on it, close down the DMG file's window and then drag the disk image to the Trash or click the Eject button in the Finder sidebar.

If you're looking to install Windows on your Mac, Boot Camp is the best way to go. Whether it's for a great gaming experience or you just want to try out Windows 10 on Apple's svelte hardware, here's how to get it all set up.

What you'll need before you install Windows 10 on your Mac

Before starting anything else, be sure you have a Mac that supports Windows 10. Straight from Apple, these are the compatible models:

  • MacBook Pro (2012 and later)
  • MacBook Air (2012 and later)
  • MacBook (2015 and later)
  • iMac Pro (2017)
  • iMac (2012 and later)*
  • Mac mini (2012 and later)
  • Mac mini Server (Late 2012)
  • Mac Pro (Late 2013)

If you own an iMac with 3TB or more, check out this Apple Support document for more information on installing Windows 10 on your machine through Boot Camp.

Do you have a Mac that can run Windows 10? Good! Make sure you have at least 64GB of free space on your hard drive for the Windows installation. During the installation process, you can set the Windows partition to whatever size you want, as long as the drive has enough storage.

Finally, update your Mac's OS to ensure there are no compatibility problems. You'll also want to perform a backup of your Mac in the (rare) case that something goes wrong.

How to download the Windows 10 ISO file

To start, we need to grab a Windows 10 ISO file from the Microsoft website. You can download it straight to your internal hard drive.

  1. Navigate to the Microsoft Windows 10 ISO download page.
  2. Click the dropdown menu below Select edition.
  3. Click Windows 10 in the Windows 10 Anniversary Update section. You can download the Creators Update through Windows once it is installed.

  4. Click Confirm.
  5. Click the dropdown menu below Select the product language.

  6. Click your language of choice.
  7. Click Confirm.

  8. Click 64-bit Download.
  9. Click Save. The ISO file will now be downloaded.

Once the file has finished downloading, continue on to the next set of steps.

How to install Windows 10 with Boot Camp

Once you've downloaded a Windows 10 ISO, you can complete the following steps.

  1. Launch Boot Camp Assistant from the Utilities folder in Applications.
  2. Click Continue. Boot Camp should automatically locate the ISO file on your system.

  3. Click and drag the slider in the partition section. It will be set to 48GB by default, but you can add as much storage as you want within the limits of the drive.
  4. Click Install. Windows support software will now be downloaded.

  5. Type your password.
  6. Click OK. Your Mac will restart and you will see the Windows 10 setup screen.

  7. Choose your language.
  8. Click Install Now.
  9. Type your product key or click I don't have a key. You can enter it after the installation.
  10. Click either Windows 10 Pro or Windows 10 Pro based on your preference.
  11. Click Next.
  12. Click Custom: Install Windows Only.
  13. Click Drive 0 Partition X: BOOTCAMP. Do not choose anything else.
  14. Click Next. Windows 10 will now be installed. Your Mac will restart several times during the process.
  15. Click Use Express Settings or Customize Your Installation when the Windows 10 setup screen appears. In this case, we use express settings, as all can be changed after the installation.
  16. Type a username. You can also add a password.
  17. Click Next.
  18. Choose to use or not to use Cortana.

Windows 10 will now boot fully, and you'll be able to use Windows normally.

How to install Boot Camp software on your Windows 10 partition

When Windows 10 loads for the first time on your Mac, a Boot Camp software installer will automatically pop up.

  1. Click Install.
  2. Click I accept the terms in the license agreement.
  3. Click Install.
  4. Click Finish when the installation is complete.

This is an important process, as it installs a bunch of drivers and software that will help make your Windows 10 experience as good as possible on your Mac.

How to return to macOS from Windows 10

One of the best parts of Boot Camp is how easy it is to switch back and forth between operating systems.

  1. Click the Show hidden icons button in the Windows 10 taskbar.
  2. Click the Boot Camp button.
  3. Click Restart in OS X.

Your Mac will now restart, and you'll be brought right back to macOS. To get back to Windows 10, and indeed another way to switch from Windows 10 to macOS, is to restart your Mac and hold down the Option key on your keyboard until a boot menu appears. From here, you can choose which OS to load.

Updating Windows 10 and more

Now that you have Windows 10 installed on your Mac, you can update it to the Creators Update.

The easiest way to do so is to use Windows Update.

  1. Click the Start button.
  2. Click the Settings button. It looks like a gear.

  3. Click Update & security.
  4. Click Check for updates.

The Creators Update should begin downloading and will install. Follow the steps on screen, and you'll be up to date in no time.

Looking for more Windows 10 Creators Update help? Check out the ultimate guide over on Windows Central.

Updated March 22, 2019: Updated for macOS Mojave.

How

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So, you’ve decided to download an older version of Mac OS X. There are many reasons that could point you to this radical decision. To begin with, some of your apps may not be working properly (or simply crash) on newer operating systems. Also, you may have noticed your Mac’s performance went down right after the last update. Finally, if you want to run a parallel copy of Mac OS X on a virtual machine, you too will need a working installation file of an older Mac OS X. Further down we’ll explain where to get one and what problems you may face down the road.

A list of all Mac OS X versions

We’ll be repeatedly referring to these Apple OS versions below, so it’s good to know the basic macOS timeline.

Cheetah 10.0Puma 10.1Jaguar 10.2
Panther 10.3Tiger 10.4Leopard 10.5
Snow Leopard 10.6Lion 10.7Mountain Lion 10.8
Mavericks 10.9Yosemite 10.10El Capitan 10.11
Sierra 10.12High Sierra 10.13Mojave 10.14
Catalina 10.15

STEP 1. Prepare your Mac for installation

Given your Mac isn’t new and is filled with data, you will probably need enough free space on your Mac. This includes not just space for the OS itself but also space for other applications and your user data. One more argument is that the free space on your disk translates into virtual memory so your apps have “fuel” to operate on. The chart below tells you how much free space is needed.

Note, that it is recommended that you install OS on a clean drive. Next, you will need enough disk space available, for example, to create Recovery Partition. Here are some ideas to free up space on your drive:

  • Uninstall large unused apps
  • Empty Trash Bin and Downloads
  • Locate the biggest files on your computer:

Go to Finder > All My Files > Arrange by size
Then you can move your space hoggers onto an external drive or a cloud storage.
If you aren’t comfortable with cleaning the Mac manually, there are some nice automatic “room cleaners”. Our favorite is CleanMyMac as it’s most simple to use of all. It deletes system junk, old broken apps, and the rest of hidden junk on your drive.

Download CleanMyMac for OS 10.4 - 10.8 (free version)

Download CleanMyMac for OS 10.9 (free version)

Download CleanMyMac for OS 10.10 - 10.14 (free version)

STEP 2. Get a copy of Mac OS X download

Normally, it is assumed that updating OS is a one-way road. That’s why going back to a past Apple OS version is problematic. The main challenge is to download the OS installation file itself, because your Mac may already be running a newer version. If you succeed in downloading the OS installation, your next step is to create a bootable USB or DVD and then reinstall the OS on your computer.

How to download older Mac OS X versions via the App Store


If you once had purchased an old version of Mac OS X from the App Store, open it and go to the Purchased tab. There you’ll find all the installers you can download. However, it doesn’t always work that way. The purchased section lists only those operating systems that you had downloaded in the past. But here is the path to check it:

  1. Click the App Store icon.
  2. Click Purchases in the top menu.
  3. Scroll down to find the preferred OS X version.
  4. Click Download.
How install dmg file on mac

This method allows you to download Mavericks and Yosemite by logging with your Apple ID — only if you previously downloaded them from the Mac App Store.

Without App Store: Download Mac OS version as Apple Developer

How To Install .dmg File In Linux

If you are signed with an Apple Developer account, you can get access to products that are no longer listed on the App Store. If you desperately need a lower OS X version build, consider creating a new Developer account among other options. The membership cost is $99/year and provides a bunch of perks unavailable to ordinary users.

Nevertheless, keep in mind that if you visit developer.apple.com/downloads, you can only find 10.3-10.6 OS X operating systems there. Newer versions are not available because starting Mac OS X Snow Leopard 10.7, the App Store has become the only source of updating Apple OS versions.

Purchase an older version of Mac operating system

How To Install Dmg File

You can purchase a boxed or email version of past Mac OS X directly from Apple. Both will cost you around $20. For the reason of being rather antiquated, Snow Leopard and earlier Apple versions can only be installed from DVD.

Buy a boxed edition of Snow Leopard 10.6
Get an email copy of Lion 10.7
Get an email copy of Mountain Lion 10.8

The email edition comes with a special download code you can use for the Mac App Store. Note, that to install the Lion or Mountain Lion, your Mac needs to be running Snow Leopard so you can install the newer OS on top of it.

How to get macOS El Capitan download

If you are wondering if you can run El Capitan on an older Mac, rejoice as it’s possible too. But before your Mac can run El Capitan it has to be updated to OS X 10.6.8. So, here are main steps you should take:

1. Install Snow Leopard from install DVD.
2. Update to 10.6.8 using Software Update.
3. Download El Capitan here.

“I can’t download an old version of Mac OS X”

If you have a newer Mac, there is no physical option to install Mac OS versions older than your current Mac model. For instance, if your MacBook was released in 2014, don’t expect it to run any OS released prior of that time, because older Apple OS versions simply do not include hardware drivers for your Mac.

But as it often happens, workarounds are possible. There is still a chance to download the installation file if you have an access to a Mac (or virtual machine) running that operating system. For example, to get an installer for Lion, you may ask a friend who has Lion-operated Mac or, once again, set up a virtual machine running Lion. Then you will need to prepare an external drive to download the installation file using OS X Utilities.

After you’ve completed the download, the installer should launch automatically, but you can click Cancel and copy the file you need. Below is the detailed instruction how to do it.

STEP 3. Install older OS X onto an external drive

The following method allows you to download Mac OS X Lion, Mountain Lion, and Mavericks.

  1. Start your Mac holding down Command + R.
  2. Prepare a clean external drive (at least 10 GB of storage).
  3. Within OS X Utilities, choose Reinstall OS X.
  4. Select external drive as a source.
  5. Enter your Apple ID.

Now the OS should start downloading automatically onto the external drive. After the download is complete, your Mac will prompt you to do a restart, but at this point, you should completely shut it down. Now that the installation file is “captured” onto your external drive, you can reinstall the OS, this time running the file on your Mac.

  1. Boot your Mac from your standard drive.
  2. Connect the external drive.
  3. Go to external drive > OS X Install Data.

Locate InstallESD.dmg disk image file — this is the file you need to reinstall Lion OS X. The same steps are valid for Mountain Lion and Mavericks.

How to downgrade a Mac running later macOS versions

If your Mac runs macOS Sierra 10.12 or macOS High Sierra 10.13, it is possible to revert it to the previous system if you are not satisfied with the experience. You can do it either with Time Machine or by creating a bootable USB or external drive.
Instruction to downgrade from macOS Sierra

Instruction to downgrade from macOS High Sierra

How Install Dmg File Windows

Instruction to downgrade from macOS Mojave

Instruction to downgrade from macOS Catalina

Before you do it, the best advice is to back your Mac up so your most important files stay intact. In addition to that, it makes sense to clean up your Mac from old system junk files and application leftovers. The easiest way to do it is to run CleanMyMac X on your machine (download it for free here).

Visit your local Apple Store to download older OS X version

If none of the options to get older OS X worked, pay a visit to nearest local Apple Store. They should have image installations going back to OS Leopard and earlier. You can also ask their assistance to create a bootable USB drive with the installation file. So here you are. We hope this article has helped you to download an old version of Mac OS X. Below are a few more links you may find interesting.

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