Hands down, MacOS Catalina 10.15 Public Beta is out now and every user is in rush to install Catalina and get the experience of the latest version of Mac. However, the new Mac Operating System has several handy featuresand it is the time to test how Catalina works. Although, you can install MacOS Catalina on Virtualization Software like Virtualboxand Vmware. to install MacOS Catalina on Virtualbox and Vmware will be the easiest way but in this article, I will show you How to Install macOS Catalina on External Drive.
Since MacOS Catalina is the first public beta and it might have some issues or it is not completely developed so far. therefore, you don’t want MacOS Catalina to be your Main Operating System unless you are a developer. So, the best way is to install macOS Catalina on an external drive and give it a try and get the best experience on your system without disrupting the existing macOS High Sierra or MacOS Mojave.
Run macOS on the external drive by pressing Alt/Option at start up. What you need You'll want to use a fast drive if you can - it's worth investing in a USB C or Thunderbolt 3 drive as this will.
Most of the user is installing MacOS Catalina on Windows, due to that, if you are using Dell or any other brand laptop powered by 7th generation, then this article is for you. the installation steps will work for all Operating system including Mac, but the only difference on the files EFI partition (not required for Mac). So, let’s go ahead and begin the installation of MacOS Catalina on External Drive.
Table of Contents
Step 1: Download MacOS Catalina 10.15
The first step to install macOS Catalina on External Drive is to download Catalina file. However, we have uploaded an article related to download MacOS Catalina dmg and image file for Virtualbox and Vmware. Therefore, if you don’t have Catalina file then download it from the below link.
Step 2: Prepare USB Thumb Drive
In the second step, you need to prepare the USB thumb drive in order to complete the installation process on an external drive. Therefore, follow the below instructions and prepare the USB drive.
Step 3: Create MacOS Catalina 10.15 Installer Media
Once, your USB drive has been prepared for MacOS Catalina installer, then, now it is time to use the USB and create MacOS Catalina Installer. therefore, follow the below instructions.
#1. The first step, open a new terminal window and paste the below command but replace MyVolume name with your USB drive Volume Name.
#2. Once you paste the above command and you change the Volume name with your USB volume name, then, press Enter key.
#3. Now, you have to download and run the EFI Mounter App.
Where does macos mojave installer download to. #4. Once, you download and run the EFI Mounter App, then, Select USB disk number and double-click to access the EFI partition.
#5. After that, Download, Extract and paste this EFI folder in the ESP partition.
#6. If you are not using Dell 7560/7460/7X72 Series, then edit config.plist.
#7. At last, turn off the system.
Step 4: Configure BIOS
Step 5: BOOT FROM MACOS CATALINA INSTALLER MEDIA
Related Articles: Mac internet speed test free.
Step 6: Install MacOS Catalina on PC or Laptop
Now, everything is ready plus your USB drive is ready too for installation. Therefore, now I will guide you on How to install MacOS Catalina on PC or Laptop with External Drive.
Conclusion
To install MacOS Catalina on an external drive is not an easy task on windows, but again there are several guides or article such as our article will help you out to install MacOS Catalina on your PC. However, you have various platforms to install Catalina but in this article, you learn the installation of MacOS Catalina on External Drive. Therefore, if you get any confusion or question during the installation then feel free to ask me in the comment box. Moreover, if our article was helpful for you then don’t forget to give your feedback.
Have you ever thought of carrying your Mac OS on an external device and gain access to it at any time? If the reaction is yes, then you have arrived at the right post. We will be providing you with the information through which you can install macOS High Sierra on an external drive.
Part 1. How to Install macOS High Sierra on the External Drive
Before beginning the process, there are a few requisites that you must meet. You will need an external drive with a minimum capacity of 16 GB, and second, you will need the copy of the macOS High Sierra installer. You can obtain the installer from the App Store by searching for 'macOS' and download it to your Mac hard drive.
Step 1: Formatting the External Drive
To allow the external drive to function as the startup disk, you need to format it to Mac OS Extended and employ GUID partition map. Start the utility disk. You can find it under the Applications category or search it using Spotlight.
As utility disk runs in the background, you can check for the format of the external drive. In the following example, the drive is in Master Boot Record format. First, unmount the drive. After unmounting, you can select the same drive from the left of the window as shown in the figure below. Now, from the tabs that appear in right window, choose 'Erase' option.
In the next window, you can now format the external drive as 'Mac OS Extended' and opt for GUID Partition Map. If you choose to, you can also give it a name. Press 'Erase' to proceed. After completion, you will see the following screen. Press 'Done' to proceed.
Step 2: Installing macOS High Sierra on the External Drive
After you complete the download of the macOS installer, double click the same from the Applications folder to begin the installation procedure. Press 'Continue' in the following screen.
Click 'Agree' to the accept license agreement. In the next window, press the 'Show all disks' option. The window will display the local drive and the connected external drive. Choose the external drive in this case. You will have to key in your system user name and password.
macOS High Sierra will begin installing on the selected external hard disk. It requires some time to complete the task. You can wait until the process is complete. Before it completes the installation, the Mac will restart. Therefore, it is preferable to save any other work that is in progress.
After restarting, the Mac will take a minimum of 15 minutes to complete the installation process. It will then reboot from the new device. You then have to proceed with the general process of activating Siri, time zone, and adding the user account. Once you complete these actions, you will possess the new version of macOS High Sierra on your external drive. Do not remove the external drive, as Mac OS will access the files on the drive periodically. You can now use the same every time you wish to use High Sierra.
Part 2. How to Use macOS High Sierra with the Bootable Hard Drive
As you now have macOS High Sierra in the form of bootable hard drive, you can use it with another compatible Mac or when the situation demands. However, remember that using the external device as a bootable drive will slow down the functioning of the system. More importantly, it is useful only when you are facing trouble with your existing internal drive of the Mac.
The following information will be helpful in case if you choose to use macOS High Sierra with the bootable hard drive:
Step 1: If there is a trouble with the current hard disk, and you wish to solve it or use the new version of the OS, then plug the bootable external drive to the Mac.
Step 2: Power on the machine and hold the option button until you notice the recovery screen appear. From the screen, you can choose the bootable external device that you have created.
Step 3: You will boot into the macOS High Sierra version for that particular session.
Recoverit
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