How to Create Bootable USB Installer For macOS Catalina via TransMac

In this post, I’ll show how to Create macOS Catalina Bootable USB Installer via TransMac. With the macOS Catalina out, more and more users are heading towards it and installing it on different operating systems. Some of the examples are install macOS Catalina on VMware on Windows, install macOS Catalina on VirtualBox. There are two other different new methods. That is install macOS Catalina on VMware [New Method], install macOS Catalina on VirtualBox [New Method]. These are some of the most popular and also common examples of installing macOS Catalina on Windows. Apart from it, there are many installations and users could install on different places and different platforms. Here’s are three different ways we’ve provided to do.

• 3 Ways To Install macOS Catalina on Windows

Now for installing macOS whatever the version, we’ll need the installer files. While the macOS Catalina DMG file is easy to obtain from the App Store, it’s pretty easy to do it from a Mac but what happens when your Mac is not working or have some problem with its operating system. Instead, you’ve Windows in approach and would like to create macOS Catalina Bootable USB Installer completely on Windows. Or as the macOS Catalina is out, chances are you’ve lots of Mac and would like to create macOS Catalina bootable USB installer on Windows.

For installing most systems like Windows 10 and others, creating a bootable USB installer is the first step and also the most important step. Now creating a bootable USB isn’t as easy as it looks like and in some cases, I’ve lost many USBs in the procedure. The process requires some files specifically the operating system installer file and other differs for the process like if you’re creating a bootable USB for Mac, it’s a little easy, but if you’re creating a bootable USB installer for Hackintosh, it’s a bit trickier and requires some additional files but can be definitely done.

• Related: How to Create macOS Catalina USB Installer – Hackintosh

Creating a bootable USB installer can be done in different ways. Just like we’ve previously shown a few ways to create macOS Catalina USB installer which would work probably for Mac and Hackintosh even. First, we created manually via Disk Utility and Terminal and also we provided the supporting files and the next method which we did was with Disk Utility, Terminal and also Clover. These were the two methods we did to create bootable USB installer for macOS Catalina.

For those who aren’t familiar with, Hackintosh is a simply process of installing macOS on a non Apple hardware which can be Windows. While we’ve already done some instructions for creating a bootable USB installer for Mac and Hackintosh, but for some reasons, it isn’t working for users, that’s why we’ve come up with a new post which is how to Create Bootable USB installer for macOS Catalina via TransMac. This process works for both creating bootable USB installer for macOS Catalina for Hackintosh and also for Mac.

With those in mind, whoever would like to install macOS Catalina or other version on Mac or install macOS Catalina or other version on Windows, we’ve prepared complete instructions to create a bootable USB installer for macOS Catalina. This procedure works for everyone but for those who are making it for Hackintosh remember that the USB and primarily Hackintosh or installing macOS only works with Intel-based CPUs. With that said, let’s jump into it.

What You’ll Need

For this process, we’ll need a couple of important files.

• A 12GB+ USB
• TransMac
• macOS Catalina DMG File

Create Bootable USB Installer For macOS Catalina via TransMac

There are several apps and ways to create bootable USB installer. For this example, we’ll use TransMac.

TransMac is a third-party Windows software that copies and manage files and folders on Apple systems, including Mac hard drives, USB flash drives, and other. As well as open and burn disc images and .dmg and .sparseimage files. It’s shareware which you can try for free for 15 days.

TransMac for Windows can open, erase Macintosh disk drives, USB flash drives, CD/DVD/Blu-ray media, DMG, DMG part, sparse bundle and sparse image files. Some of the features are create, compress and expand Mac dmg disk images, built-in CD/DVD burner to burn ISO and DMG files on Windows.

First and foremost, connect your USB and open TransMac. When the USB is shown, right click on it and select Format Disk For Mac.

Format Disk For Mac

Accept the warning by clicking on Yes.

Accept the Warning

Name the volume and click on OK.

Name The Volume For Mac

At the last warning of formatting the disk, click on Yes.

Last Warning of Formating Disk

After the disk is formatted, right click on the USB and select Restore with Disk Image.

Restore with Disk Image

Accept the warning by clicking on Yes once more.

Warning Pop Up Message

Then click on the three dots to browse the macOS Catalina DMG and select it.

Select DMG File

Choose the macOS Catalina DMG and click on OK.

Ok Restore Disk Image to Drive

Hit Yes on the pop and it will start creating the USB so it will take a considerable time.

Last Warning

After that, you’ll see the success message, and that’s now done.

In the end, download and copy and paste these files into the EFI Partition in the USB.

• Clover Configurator
• MultiBeast 11.3.0

The USB drive is now completely ready for installing macOS on Windows or on Mac itself. So that’s how to create bootable USB Installer for macOS Catalina on Windows 10 with TransMac. This works perfectly now.

That’s it. If there’s some problem or suggestions, we’re happy to answer. Let us know in the comments down below.