TransMac creates a macOS USB bootable drive warning. Once you complete the steps, you can now insert the USB flash drive on your Mac computer to install, reinstall, or upgrade the operating system to the latest macOS version, which can be Sierra, Catalina, Big Sur, or higher. Create a GPT partition on a USB flash drive. After booting from the macOS Catalina installer drive, you’re free to format a target disk with Disk Utility, choose a disk to install macOS 10.15 onto, use Time Machine, access the Terminal from Recovery mode, and any other typical activity performed from a boot install drive.
2019 is one of the great years for computer users and smartphones user. Because the world of technology is now in progress, as we know that in 2019 Apple Inc announced in world developers conference, macOS Catalina. Therefore, besides macOS Catalina announced iOS 13 with its significant new features. And with the announcing of macOS Catalina Microsoft also announced its new updates for the public, Windows 10 new features, with the same equality of macOS Catalina or macOS Mojave Dark Look and Light Look. And for Samsung smartphones, they announced the Android P version. However, we got the idea to install macOS Catalina 10.15 on VirtualBox and VMware. And here I will show you How to Create a macOS Catalina USB Drive installer. The way of creating a macOS Catalina USB installer is easy the same as macOS Mojave.
Create macOS Catalina USB Installer
However, the macOS Catalina version for the operating system is still not released for the public. But they can upgrade there macOS Mojave version directly through the internet into macOS Catalina 10.15. In July 2019 they will release the full version for Macintosh users. By the way, while installing any kind of operating system on a computer you need a Bootable USB Drive, and here I will show you the easiest way just follow the steps and read the article.
As you know there are different kinds of creating macOS Catalina 10.15 USB Drive. But one of the easiest ways to create Bootable USB using Terminal on macOS, whether you can use Disk Utility. I recommend you to choose Disk Utility because the procedure is a bit easy. And using Terminal is somehow complicated.
Create macOS Catalina USB Installer – System requirements of macOS Catalina 10.15
Before checking macOS Catalina on your system, there are some good points to know about your Mac computer version. However, macOS Catalina is heavy and for its installation, you need a nice computer, with high graphics, Processor, and RAM. Below I will declare some Mac computers that you can install macOS Catalina 10.15 on it.
- MacBook: 2015 or newer
- MacBook: Air, MacBook Pro 2012 or newer
- Mac Mini: Late 2012 or newer
- iMac: 2012 or newer
- iMac Pro: All models can support macOS Catalina 10.15
- Mac Pro: 2013 or newer
The great changes that come on macOS Catalina 10.15 Beta are:
- Catalyst
- Gatekeeper
- Voice Control
- Sidebar
- Changes in Application
- iTunes
- Find My Mac
- Reminders
- Removed Components
macOS Catalina creating USB Drive required files:
- At least 16 GB USB drive or more than 16 GB
- macOS Catalina 10.15 image file
By the way, if you don’t know the ways of installing macOS Catalina on VirtualBox and VMware Player. However, You can also check the below links and download macOS Catalina 10.15 Virtual machine images.
Download macOS Catalina 10.15 Beta 1
- Step #1. Enter to Apple Developer, and go ahead for download macOS Catalina or if you are not a member of Apple developer. Then go ahead and create an account to download macOS Catalina 10.15 Beta 1.
- Step #2. After signing in Apple Developer, go ahead and under featured click on download link.
- Step #3. After that, download is finished get start
In this case, you have gone through Apple Developer to download the latest update of macOS Catalina. Therefore, from Apple Developer you can use upgrading from macOS Mojave to macOS Catalina 10.15. Remember one thing upgrading can be risky for you so, I suggest to have a backup of your important files. However, in the next step you must have a clean installation of macOS Catalina on your computer. For that, you need a Bootable created USB. And insert the USB drive to your computer, then install macOS Catalina and enjoy using the new and fresh operating system.
How to create macOS Catalina USB Installer
- Step #1. Insert the USB drive to your computer.
- Step #2. I mentioned above also that the process of creating a macOS Catalina USB drive with Disk Utility is easy. Therefore, go to the search bar and type there “Disk Utility”. Erase USB drive with “Mac OS Extended (Journaled)” then complete the process of Disk Utility for macOS Catalina USB Drive.
Format the USB Drive
- After the USB Drive, formatted click Done
Click Done
- Now navigate to search spotlight and type “Terminal” then hit enter.
- When the terminal opened copy the below command and paste into the terminal then press enter. The process of creating will take some minute, wait until it should complete 100%. When it completed close the terminal window.
Copy the command
Once the Bootable USB drive is created, open the clover configurator. With the clover configurator, you need to mount the EFI partition. When the clover configurator opened on the left-handed click on “Mount EFI”, then Mount the EFI on install macOS 10.15 Beta. Click on “Mount Partition” then type the password and click OK.
Create Macos Catalina Install Usb Mark With Tech
Mount Partition
Bottom Line
By the way, that’s all about How to create a macOS Catalina USB Installer. And the process of creating macOS Catalina Beta USB Installer is easy, and I also explained that step by step. Therefore, if you faced any kind of problem feel free and comment below. Give us feedback and subscribe to our Blog.
In previous tutorial, we wrote a post about creating macOS Catalina bootable USB on Mac, which is a simple tool and there are a couple of free tools to complete the task. You can even use the built-in tool Disk Utility and dd command to do it without installing any third-party apps. However, the situation is much different on Windows 10 because macOS install file (end with .dmg) is not supported by Windows OS. Unlike ISO image, there are few tools on Windows that can handle .dmg files. That's the most challenging part!
So in this article, we will show you how to create macOS bootable USB on Windows 10 and targets macOS Catalina specifically, which is the latest version of Apple macOS and it is easy to download the install file. This will be a great help if there were something wrong with your Mac and a fresh install was demanded. Also if you were a Mac enthusiast and can not afford the price, then it is not a bad choice to build a hackintosh with Catalina.
Before heading to the details of each method, please make sure you have downloaded a copy of Catalina OS dmg file and a working USB drive with more than 12GB storage.
Method 1: Create macOS Catalina Bootable USB on Windows 10 via DMG Editor
There are more than one solutions to create macOS Catalina Bootable USB on Windows 10 and we will go with easy one first. DMG Editor, a popular app developed by UUByte, is a multi-functional and cross-platform image burning tool that works on Windows, Linux and macOS. It supports creating bootable USB from popular image files, including dmg, iso, zip, img. And it has full support for Linux distros and old versions of Windows OS. macOS support was not available in previous versions. But now, the latest version of DMG Editor adds better support for macOS dmg file. Let's get a try first.
Step 1.Go to UUByte official website and download Windows version of Etcher from there.
Step 2. Run the executable file and complete the installation process. After that, insert an USB drive in Windows 10.
Step 3. Open the installed UUByte DMG Editor by double-clicking on the icon shown on your home screen. Click on the 'Burn' option then. After that, add Catalina .dmg file to the software and click on 'Change' button to choose the inserted USB device.
Step 4. Finally, click on the 'Burn' button to start the dmg burning process. At this time, a progress bar is displayed on the screen and it gives you an estimated calculation for the time remaining.
Step 5. Wait about 10 minutes. It will show you a pop-up message after completing the task successfully.
How To Create A Bootable Usb For Macos Catalina
The process is very quick and easy to execute. But you might have issues running Etcher app on old computers with low profile hardware. Etcher GUI is built primarily on a new Javascript framework called Electron , which consumes a lot of computing resources. So if you were going to use Etcher to create macOS Catalina bootable USB, make sure testing it on a high-profile Windows 10 PC or laptop.
Method 2: Convert .dmg to .iso and Create macOS Catalina Bootable USB
macOS Catalina install image is distributed in .dmg format and Windows 10 has no support. Hen it is almost impossible to read such files in conventional ways. So in this part, we will convert macOS Catalina dmg file into ISO and create a bootable installer by burning the ISO file to USB. This can be done with the help of third-party software.
To execute the method, you need two software. First, you need a special software to convert dmg to ISO. Second, an ISO to USB burning software to make bootable USB from ISO file. To demonstrate, we have used 7 PowerISO & UUByte ISO Editor to create macOS Catalina bootable USB from Windows 10.
Step 1: Download and install PowerISO on Windows 10.
Step 2: Insert your USB drive. Right-click on this peripheral device and choose the option to format it. After a few seconds, you will get the notification of completing the format process.
Step 3: Now, open PowerISO and navigate to Tool menu. From the pop-up list, please click the 'Convert' option.
Step 4: In a pop-up window, click the folder icon to add macOS Catalina dmg file in Source file field. And set an output file name under Destination file section. Next. choose Standard ISO Images (.ISO) from Output image file format.
Step 5: When the ISO file is created successfully. Download and install UUByte ISO Editor. Then click Burn button to open ISO burning Window. Next, add ISO file to the program and select the USB name. Wait for 7 minutes, and a bootable USB is ready!
Step 6: After getting a task completion message on screen, eject the USB and then start installing macOS Catalina from the USB drive.
The solution is simple but may need to purchase a couple of tools for executing the steps. But if you will search smartly on the internet, chances are there that you can get the required tools without paying any cost. However, if you want to bypass using any of the third-party tools, you can create the Catalina OS bootable USB by accessing macOS in a virtual machine.
Method 3: Use TransMac to Create macOS Catalina Bootable USB in Windows 10
TransMac is a single-purpose utility to open Mac disk image from a Windows PC. It's one of the quickest methods to create macOS bootable USB drive from dmg file. However, the support for Catalina is not good as Mojave and High Serrira. Plus, you have to pay for 59 USD to use the burn feature. That's why we mention this app at the end of this post.
Step 1: Download TransMac from the official site and run the .exe file to complete the installation process.
Step 2: Now plug in a USB device into the port. Now right-click on TransMac icon shown on the home screen and then choose to Run as administrator.
Step 3: After landing inside the tool's window, all disk drives will be displayed on the left side automatically. Click File -> Open Disk Image to load macOS Catalina dmf file into the program.
Step 4: Before proceeding further, you need to format your USB device to make it compatible with Mac HFS or APS partition. For doing the same, click on the 'Format Diks for Mac' option. Wait for 30 seconds to complete the process.
Step 5: Right-click on the selected USB disk. From the shown list, click on 'Restore with Disk Image'. If it shows any warning message, just click on the OK button to accept.
Step 6: After that, select the location of saved Mac OS Catalina DMG file and then click on the OK button. Now stay back and look after 20 minutes. You will get ready with a bootable Catalina USB.
TransMac is one of the easiest method to create a bootable macOS Installer USB on a Windows PC. You can use this application to burn any version of macOS operating system file to USB.
Conclusion
To conclude, we would recommend going with either the first or the second method to create bootable macOS Catalina USB. Both are super easy to follow because you don't need to install multiple tools and go through a multi-layer process to meet your requirement.