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Note the drive number or drive letter of the USB flash drive. At the command prompt, type select disk, where X is the drive number or drive letter of the USB flash drive, and then click ENTER. Type clean, and the click ENTER. This command deletes all data from the USB flash drive. To create a new primary partition on the USB flash drive, type create part pri, and then click ENTER.
There are a couple of reasons why you would want to create Windows 8.1 bootable USB flash drive on your Mac. Maybe you’ve decided to install Windows 8.1 on Mac without Boot Camp; or maybe your PC is unbootable and you want to prepare a bootable USB using the ISO file that you have on your external hard drive; or you want to easily create bootable Windows 8.1 USB without installing new tools.
If you are using a recent version of Mac OS X, preparing Windows 8.1 USB is fairly simple and can be done without having to install additional software on your Mac. The only thing is that you need to have a Windows 8.1 ISO image file in order to prepare bootable Windows 8.1 USB on your Mac.
Follow the given below instructions to create Windows 8.1 bootable USB on Mac:
Step 1: Connect your USB flash drive to Mac and backup your files as all data will be formatted during the process.
Step 2: Next, transfer Windows 8.1 ISO file to your Mac. If you already have a copy of the ISO file on your Mac, you can safely skip this step. If you don’t have the ISO on Mac, you can follow our how to transfer files between Windows and Mac guide to quickly transfer the ISO file. And if the PC unbootable, you can follow our how to backup data from a unbootable PC (the easy way) guide to copy ISO file to the USB drive first and then copy the same to your Mac.
Step 3: Launch Boot Camp Assistant software. To do that, click on Launchpad icon, click Other, and then click Boot Camp Assistant icon to open Boot Camp Assistant software.
![Create Create](/uploads/1/2/5/6/125659081/281945219.jpg)
Step 4: Once Boot Camp Assistant is launched, click on the Continue button.
Step 5: Uncheck the option titled Install Windows 7 or later version (we use this option while installing Windows on Mac using Boot Camp), and also uncheck Download the latest Windows support software from Apple option if you’re preparing this bootable Windows 8.1 drive to install Windows 8.1 on a PC.
Make sure that the option titled Create a Windows 7 or later version install disk option is checked before clicking on the Continue button.
NOTE: As mentioned earlier, keep the option Download the latest Windows support software from Apple checked if you’re going to use this bootable USB on your Mac (this Mac) and not on a PC. As the support software is designed specifically for each Mac, it might not function properly if you try to run the downloaded support software on a Mac other than the model that you’re using to prepare the bootable USB.
And if you plan to install Windows 8.1 on this Mac, keep that option checked to automatically download all support software on to the USB so that you can easily install all drivers after installing Windows 8.1 on your Mac.
Step 6: In the following screen, click the Choose button to browse to the Windows 8.1 ISO image file. Select the ISO image file and then click Continue button to proceed further.
Click Continue button again when you see “The drive will be erased” warning to begin formatting the drive and then copying Windows files. If you have selected the option Download the latest Windows support software from Apple option, Boot Camp Assistant will also download required drivers from Apple servers. So if you have selected that option, make sure that your Mac is connected to the web.
Step 7: Once Boot Camp Assistant completes its business, you’ll see “The selected drive has been formatted and the Windows installation image has been copied” message. And if you have selected Download support software from Apple option in Step 5, you’ll see “Install this Windows support software after installing Windows” message. Click Quit button. That’s it!
You can now connect it to a PC or your Mac and begin installing Windows 8.1 operating system.
You might be heard of creating bootable USB flash drive for Windows, for Kali Linux, and Mac OS X El Capitan for several times but in our today’s topic, I want to show you one of the best ways to create bootable USB installer for Mac using UniBeast software. As in our previous articles, we have shown you the following methods of creating a bootable USB Installer for Windows, Kali Linux, and Mac OS X.
We’ll not only cover bootable flash for Mac OS X but also in the next article. We’re going to show you that how to Install Mac OS X El Capitan on PC using UniBeast.
Create Bootable USB Installer for Mac OS Using UniBeast
The first task that you’re going to do is open the Apple App Store. The store will open up after some seconds and tap on “Featured” then click on the “OS X El Capitan“.
Download Mac OS X El Capitan
Now the Download button will appear. Click on the “Download” button then type your Apple ID with the password. If you don’t have an Apple ID or Don’t know how to create. Check out “How to create Apple ID without a credit card on iOS Devices“.
Download Mac OS X for Free
Once you have downloaded the “Mac OS X El Capitan”, the file will be downloaded to the Application folder on Mac operating system.
If you don’t have Apple device like “MacBook Pro, MacBook Air” or something like this. Download the OS X El Capitan from the link below.
![Bootable Bootable](http://www.wdiaz.org/content/images/2017/06/window10_bootable_usb_on_mac.jpg)
The Second operation that you’re going to do is open up the disk utility on Mac OS then erase your USB flash drive for Mac OS X El Capitan. Once you open up the “Disk Utility“, then erase the USB as the given screenshot.
Create a new Partition for USB Flash
The third task that you are going to do is download the UniBeast. Go to tonymacx86 then download UniBeast.
UniBeast is a portable software that does not need Installation. Download UniBeast then starts creating bootable USB with it.
UniBeast is a portable software that does not need Installation. Download UniBeast then starts creating bootable USB with it.
Download UniBeast Latest Version
Creating Bootable USB Installer Using UniBeast
Now, everything is ready to create a bootable USB installer for Mac using UniBeast. Open UniBeast that you’ve downloaded and tap on “Continue” button.
Step #1. Read the information about UniBeast software then hit the “Continue” button.
Important UniBeast Information
Step #2. Read UniBeast software license agreements then hit the “Continue” button. A small notification or warning will appear while you press the continue button. Click “Agree“.
Step #3. Choose the Mac OS X El Capitan USB flash then tap on “Continue” button.
Step #4. You’ve two options “El Capitan” and “Yosemite”. Here, you’ve downloaded the El Capitan version so you must select the El Capitan. If you have the “Yosemite” version, select “Yosemite” then click on Continue button.
Select Installation Type
Step #5. In the “Bootloader Configuration”, choose the device boot support. If your computer support “UEFI Boot Mode” so select “UEFI Boot Mode”. If it doesn’t support UEFI, so select “Legacy Boot Mode”. Click the “Continue” button.
Step #6. In this step, a window will appear that you can check from these three options all or none of them. Choose “Inject NVIDIA” then tap “Continue” button.
Graphics Configuration
Step #7. Here, you’ll have the summary of what you’ve done. Click the “Continue” button.
UniBeast Configuration Summary
Step #8. Now, you’ll see a warning message that says “UniBeast needs your permission to create bootable drive”. Type your username and password then click the “OK” button.
Now set back relax. Because this will take around 40 to 50 minutes to complete. This is not accurate the exact 40 to 50 minutes. It’ll take time. It depends on the speed of your computer.
Copying files to Flash
Conclusion
This was how you could create bootable USB Installer for Mac OS X using UniBeast. Now eject your flash drive then install Mac OS X El Capitan on PC or your Mac device. If you don’t know how to install Mac OS X El Capitan, visit the following articles.