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.
Bootable OS installation on an external hard drive helps when computer's hard drive fails. To make Mac OS bootable disc, insert Mac OS Leopard installation DVD. From installer welcome window click Install Mac OS X. Click Continue, agree to licence agreement, then click Mac OS Boot disc option. Whichever method you choose, it will take anywhere from 15 to 30+ minutes to install OS X onto your external hard drive. Run Mac OS X From an External Hard Drive. While OS X is installing, your computer will restart a couple of times. Note that when it finally boots into OS X, that is the version running off your external drive.
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: https://newpod541.weebly.com/blog/scratch-live-and-windows-data-execution-prevention-error.
- 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
https://dpentrancement.weebly.com/blog/microsoft-visual-c-download-for-mac. 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:
High Sierra:
El Capitan:
We are really sorry that M4VGear doen't support macOS High Sierra or above now. Our developers are working hard to fix this problem and it needs to take some time. Sqlite odbc driver mac os x. We would post the latest news about our pragram on our Facebook once we find solutions to fix the issue. Currently, if you only have a Mac computer with macOS High Sierra or above and couldn't find a Windows computer to use our Windows version, you can still try to install and run Mac OS X 10.12 or 10.11 on an external hard drive to make M4VGear work under old version of Mac OSX.
In the following guide, we would show you how to install and run MacOS X 10.12 from an external hard drive as an example.
What You’ll Need:
- An external storage device with a minimum capacity of at least 16 GB;
- A copy of the macOS Sierra installer.
- Download the latest version of iTunes to the external hard drive;
- Downlad and install M4VGear for Mac for converting iTunes videos.
It's worth noting that you should download the macOS Sierra installer in the App Store under “Previous buys“ or 'previous bought'. Make sure you click “Download” and let it save to your Mac’s hard drive.
Important Tips: If you download and install macOS Sierra through other sources, your Mac might pop out a message that 'Downloading macOS Sierra the way in your Link is Not possible when your have High Sierra installed (because the file System)'. Under “Previous buys“ or 'previous bought' is a working Link where the Download is working . You can check and install it in parallels successfully.
Step 1: Format External Hard Disk
In order for your external device to function as a startup disk, it must be formatted as Mac OS Extended and employ a GUID partition map. To check what format your drive is using (and change it), you’ll need to launch your Mac’s Disk Utility. Disk Utility can be found in the Applications > Utilities folder or by searching for it using Spotlight.
Once Disk Utility is running, click on your external device in the left-hand pane and check the partition map. In our case, our drive is partitioned using Master Boot Record rather than GUID. So, we definitely need to format it.
WARNING: Before proceeding, understand that formatting will obviously erase everything on your device. If there is anything you want to save, make sure you back it up first!
First, unmount the device.
Once the drive is unmounted, select the full disk in the left sidebar (labeled “UFD 3.0 Silicon” here)—not the sub-disk(s) under it (labeled “Untitled” here)—and click “Erase” in the top row of buttons.
From the resulting dialog, format your device as “Mac OS Extended (Journaled)” and use the scheme “GUID Partition Map”. You can also give your device an appropriate name, if you want. Then click “Erase”.
When the operation is complete, you will see the following message. https://javrijp.weebly.com/blog/nvr-app-for-mac. Click “Done” to continue. Spotify app intents.
Step 2: Install macOS Sierra
When macOS Sierra is downloaded, it is saved in your Applications folder. Double-click the installer to begin.
Click “Continue” to proceed.
Install Mac Os From Usb
![Drive Drive](/uploads/1/3/3/8/133863456/311634827.png)
“Agree” to the software license agreement.
On the next screen, click “Show All Disks”. Ableton live intro fails download.
![Mac Mac](/uploads/1/3/3/8/133863456/458979515.jpg)
Choose your newly formatted external device and click “Install”.
Enter your system password and hit Enter.
macOS Sierra will now begin installing on your external device. Feel free to grab a cup of coffee or take a shower, because it will take a few minutes.
Before macOS can complete installation, your computer will need to restart. Make sure you save any work and then click “Close Other Applications” to continue.
https://eraever223.weebly.com/blog/run-mac-os-from-flash-drive. Once your Mac restarts, it will take about 15 more minutes to finish, and will then boot automatically from the new device.
You will then need to go through the usual macOS setup, including enabling Siri, setting up your time zone, and adding your user account.
Once you’re done with all that, you’ll have a brand new installation of macOS Sierra on your external device.
Mac External Hard Drive On Windows 10
Make sure you don’t remove or eject your external device while you’re using it, since macOS will periodically need to access it.
How to Boot From Your External macOS Installation?
So let’s say you start having trouble with your internal drive, and want to troubleshoot it. Or maybe you want to use your portable macOS installation on another compatible Mac.
To boot from your external Sierra drive, plug it into the Mac in question, press the power button, and hold the “Option key until the recovery disk screen appears. From there, you can select your external drive and click the arrow to boot into it for that session.
You’ll boot into your macOS Sierra installation where you can use it as normal. The next time you restart that Mac, it will boot to main, internal hard drive as normal. (Or you can hold Option and boot to the external drive again, if needed.)
Install Mac Os X On Pc External Hard Drive Work With A Mac
Now, you can install iTunes and M4VGear on your external hard drive and then smoothly convert iTunes videos as before.