

Therefore, if we have access to the right and bootable DMG file, it is be feasible to make a macOS USB installer even within a Windows environment, provided we use a Windows tool capable of handling the DMG format. Fortunately, some Windows applications support a bootable macOS disk format called DMG. Certain file formats that are commonly used on Mac cannot be opened in Windows, and vice versa. This is due to the compatibility issues between these two operating systems. The options are pretty limited if you consider doing this task from a Windows computer.

Step 1: Download bootable macOS for WindowsĪs previously stated, a Mac is needed when it comes to creating a bootable macOS USB disk. It’s important to note that I have tested this method on an Intel Mac, so I cannot guarantee its effectiveness on M series hardware. I am using macOS Catalina, but the process described below is compatible with all macOS versions, including Ventura. I used the following the steps to create a macOS High Sierra USB drive and successfully restored my iMac. Since my iMac was the only Mac I had access to, I had no other options until I stumbled upon a method that involved utilising a Windows PC to create a bootable USB installer for macOS. Despite the option for internet recovery being available, I faced repeated failures in downloading the necessary OS files from the servers. In my case, I faced a problem with the boot partition of my iMac and, unfortunately, did not have a Time Machine backup. However, if you don’t have a backup, you must perform a clean installation using a bootable USB/DVD drive or the Internet. Using a Time Machine is the most secure and convenient approach for restoring a faulty Mac in offline mode. How to make macOS USB installer on a Windows PC This article will explore various methods to create a bootable macOS USB for High Sierra 10.13, Catalina, Monetary 12.4, Ventura 13.4 and other macOS versions on Windows PCs and Macs. However, people only utilise this feature when encountering issues with their Mac, particularly when their system fails to boot up. Creating a macOS USB disk from the full installer downloaded from the App Store is straightforward, as Apple provides clear instructions for this purpose. Additionally, it serves as a useful tool for system recovery after a startup failure. A USB installer can significantly save time when installing macOS on multiple Macs without an internet connection.
