Mostly, the USB drive was formmated to FAT32 in default when being shipped out from the factory. If the USB drive created in above step was not seen as a bootable device on your Mac, then you need to take an addtional step before burning. Updates (Dec 8, 2020): The latest version of UUByte DMG Editor is able to format the USB automatically.ĭownload Mac Version Part 3: Format USB Drive to GPT If Failed After installing the application, follow the sequence of steps shown below: Although this is a premium software, you can use the initial free trial period to create a bootable macOS USB on Windows 10. It's time to download UUByte DMG Editor for Windows. You have now formatted the partition of USB drive. Part 2: Easily Create a Bootable macOS USB from Windows 10/8/7 PC Since you're working in a Windows environment, you need the DMG rather than the APP file. There are also several other direct download sites that offer various versions of Mac OS X in DMG format rather than the standard APP format that runs on Mac. You can get a copy of the latest macOS version from Apple download portal or App Store here. The first step is to get the DMG disk image file for the version of macOS that you want. Part 1: Download macOS or Mac OS X DMG File

All the steps except the last one are done on a Windows 10 machine. This article shows you how to download a macOS DMG file, format a USB drive using a GUID Partition Table, burn the DMG to the drive and boot your Mac from the USB. But how do you create such a disk if all you're left with is a Windows 10 computer? Fortunately, there's a great tool that you can use for free to create bootable macOS media on a USB drive in a Windows 10 environment. If your Mac suddenly refuses to boot up properly, you might need a bootable macOS USB installer to make repairs.

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