Macos Catalina Bootable Usb Windows 10

Today my Windows 10 bricked itself after I enabled Hyper-V, I had no choice but to reinstall it. I only had my Macbook to create the USB stick. Here’s how.

  1. HOW TO MAKE A BOOTABLE MAC OS X USB DRIVE USING WINDOWS 10 - 2020 NEW METHODSall contents are for educational purpose onlyDownload transmac here: https://w.
  2. Erase the USB drive with a FAT32 partition. I don't recall if it matters whether it is a MBR partition or GUID partition. Double-click a Windows installer.iso file to mount it on macOS. Then select all the files on the mounted volume and copy them to the USB drive.

First of all, find out which device is your USB stick:

Here it is /dev/disk3. Erase the device with


If you have more than one Mac you want to upgrade to macOS 10.15 Catalina but don't want to waste so much bandwidth downloading it for each machine, one option is to create a bootable installer on. Create Bootable Usb Catalina Download macOS. Nov 06, 2020 A bootable USB is super convenient to have on hand if you need to install or repair an. In this guide, you’ll learn the steps to create a macOS Catalina bootable USB installation on Windows 10, which you can use to reinstall or upgrade the Apple OS. Before proceeding, you’ll need the following: Broken Mac computer running macOS (version 10.12, 11, or later). A trial copy of the TransMac software.


Next go to to get the installer ISO file. After that mount the ISO:

Macos Catalina Bootable Usb Windows 10 64-bit

Now copy the files from the ISO to our USB stick, but not the oversized install.wim:


Next up we’ll need to install wimlib, a tool that will help us manipulate .wim files through Homebrew. If you haven’t installed that already (how dare you!):


Then we can install wimlib:

Create Macos Catalina Bootable Usb On Windows 10

Now split the oversized install.wim and save the files to USB stick:

Mac Os Catalina Bootable Usb Windows 10

Finally we can eject the USB stick with:

Create A Bootable Usb For Macos Catalina

Now pull off your USB stick, plug it to your PC and boot it up to recover your machine! Good luck.