Create a GPT Partition on a USB Flash Drive for Free iOS Install

If you're looking to install iOS on your Apple device, one of the most crucial steps is creating a GPT partition on a USB flash drive. This process allows you to use the USB drive as a bootable media for installing or reinstalling macOS Ventura, Monterey, Big Sur, Catalina, or Mojave.

To create a GPT partition on a USB flash drive, follow these steps:

1. Search for Command Prompt on your Windows 10 (or 11) computer and right-click on the top result to select the 'Run as an administrator' option.

2. Type the following command with the number assigned to your USB flash drive and press Enter: `select disk 4`

3. Next, type the following command to view all drives connected to your computer and press Enter: `list disk`

4. Once you've viewed the list of drives, type the following command and press Enter: `diskpart`

If the USB flash drive is not working with TransMac, it's possible that the issue lies in a partition problem. In this case, you may need to redo the entire process.

To create a GPT partition on a USB flash drive using Diskpart, follow these steps:

1. Open Command Prompt as an administrator and type `diskpart` followed by Enter.

2. Type `list disk` and press Enter to view all drives connected to your computer.

3. Identify the USB flash drive you want to format and type `select disk ` where `` is the number assigned to the drive.

4. Press Enter to select the drive.

5. Type `clean` followed by Enter to erase any existing data on the drive.

6. Confirm that you want to format the drive by typing `y` and pressing Enter.

Once you've completed these steps, insert the USB flash drive into your Mac and follow the instructions provided above to use it as a bootable media for installing or reinstalling macOS Ventura, Monterey, Big Sur, Catalina, or Mojave.

Remember to perform this task before creating the bootable media because there's a good chance that the drive was formatted using a Windows device. To create a bootable USB drive with macOS, follow these steps:

1. Download and install TransMac on your Windows 10 computer.

2. Create a GPT partition on a USB flash drive using the Diskpart command-line utility.

3. Insert the USB flash drive into your Mac and select the `.dmg` file containing the macOS installation files.

By following these steps, you'll be able to create a bootable USB drive for installing or reinstalling macOS Ventura, Monterey, Big Sur, Catalina, or Mojave on your Apple device. This guide is designed to help Windows users create a macOS bootable USB installation media quickly and easily, making it a valuable resource in case of an unexpected issue with your Apple computer.

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