Create a macOS bootable USB on Windows when your Mac will not start and recovery options are limited. - You can create a macOS bootable USB using Windows 11 or Windows 10. - TransMac lets you restore a macOS DMG file to a USB drive. - Formatting the USB with a GPT partition is critical for Mac compatibility. - This method works for macOS versions like Tahoe, Sequoia, Sonoma, Ventura, Monterey, Big Sur, Catalina, and older releases. - macOS (.dmg format) are available for free here: https://archive.org/download/macOS-X-images Whether you’re using macOS, Windows 11 (or Windows 10), or another operating system, your device may eventually fail to start. This could be due to a range of issues, such as file corruption, hardware failure, or a problematic system update. If your Mac experiences an unexpected issue, one of the most effective ways to recover is to use a bootable USB drive containing the macOS installer. That’s why it’s a good idea to create a macOS bootable USB while your Mac is still working properly. It gives you peace of mind and a recovery tool if your device ever fails to boot. However, what if all your Apple devices (MacBook, MacBook Air, MacBook Pro, iMac, Mac Pro, or Mac Mini) are unavailable when you need them most? The good news is that you can also use a Windows computer to create a macOS bootable USB. Whether you’re on Windows 11 or 10, you can create a macOS installation drive for versions such as Tahoe, Sequoia, Sonoma, Ventura, Monterey, Big Sur, Catalina, Mojave, and Ventura. With the right tools and steps, a Windows computer can be your lifeline to get a non-booting Mac back up and running. ** Steps to create a macOS bootable USB installer on Windows 10 (or 11) to reinstall or upgrade macOS ** * Requirements * - Broken Mac computer running macOS (optional). - A trial copy of the TransMac software (free 15-days trial available here: http://www.acutesystems.com/scrtm.htm ) - One high-quality USB flash drive with 16GB of storage. - Copy of macOS (DMG file). For your convenience, I included the image file Sonoma 14.dmg (14.1 GB) * Create macOS bootable USB installation media * - Connect the USB flash drive. - Important: If you have any data on the flash drive, remember to back it up since this process will erase everything on it. - Right-click the TransMac app and select the Run as administrator option - Click the Run button. (If you use the trial version, wait 15 seconds.) - Right-click the USB flash drive and select the “Format Disk for Mac” option from the left pane. - Click the Yes button to format the drive on the warning message. - Confirm a name for the drive. For example, “macOS bootable USB.” - Click the OK button. - When asked if you want to format the USB drive, click the Yes button - Click OK to confirm Last warning - Right-click the USB flash drive and select the “Restore with Disk Image” option from the left pane. - Click the Yes button to confirm the deletion of the USB flash drive data. - Click the browse button on the right. - Select the “.dmg” file with the macOS installation files. - Click the Open button. - Click the OK button. - Click the Yes button. Once you complete the steps, insert the USB flash drive into your Mac to install, reinstall, or upgrade the operating system to the latest macOS version (Sequoia, Sonoma, Ventura, Monterey, Big Sur, Catalina, or Mojave). Enjoy:)