Windows

Create a multiboot USB Drive: How to put multiple OS ISO files in one Bootable USB Drive

How-To-Put-Multiple-OS-ISO-Files-In-One-Bootable-USB-Disk
Multiple Operating System in One USB Drive

Being able to put in a single USB to your PC and be presented with several choices of Operating Systems be it Windows or Linux to Boot from is something that will ease your workloads as IT, Admin. This write-up will take through the process of making one single USB drive to have more than one Bootable Operating System ISO file. The aim is to make a single USB to be a multiboot device. See also how to fix CPU at 100% when nothing is running problem on Windows, how to Disable Or Enable Secure Boot on Windows 10 & 11, and how to Solve “The parameter is incorrect” problem on External Hard Disk in Windows.

Creating a bootable USB disk comes in handy when we have to reinstall our operating system in the case of a system failure. It’s effortless to put ISO files on portable flash drives by using various tools like Windows USB/DVD tool and the Startup Disk Creator in Ubuntu. There are many operating systems available in the market, either free or paid. Each is having its multiple versions and features. You can’t waste a flash drive for each of them. It would be great if you put all the ISO files on a flash drive and make a multiboot USB. Life is a lot easier when a single storage media houses many ISO files.

The process to create a multiboot USB disk is quite simple. For Windows OS, these multiboot USB disks can be created using a popular tool known as WinSetupFromUSB. It allows you to put multiple ISOs in one flash drive. You can put Windows and Linux in the same bootable disk or create a master installation disk of Windows 10, and Windows 11. The choice is up to you. Moreover, making multiboot USBs can be very helpful for Linux users who have to deal with various distributions each having its own set of features.

Let’s get started with creating a multiboot USB drive. Before proceeding with the method, if you don’t have the ISO files for Windows OS, visit the Microsoft evaluation center to download the ISO files for Windows 10, 11 or Windows Server. You must have it handy with you a USB flash drive of considerable size. To put up to three Windows ISO files in the multiboot USB disk, you will need at least a 16GB flash drive.

How to create Multiboot USB Disk in Windows

  1. Download WinSetupFromUSB and extract the file after downloading it.
  2. Connect the flash drive to your computer.
  3. Double click to open WinSetupFromUSB. Open the 32-bit and 64-bit version according to your OS. It will work without any installation.
  4. Make sure your flash drive is listed and selected in the drop-down menu. Click Refresh, if it is not on the list.
  5. Tick Auto format it with FBinst.
    Note: You have to tick this option only for the first ISO installation. Choose FAT32 if your computer is set to boot using UEFI mode or if UEFI sounds strange to your ears. Else, go with the NTFS option.
WinsetupUSB1
WinSetUpFromUSB

6. Click Advanced options.
7. Tick the Custom menu names for Vista/7/8/Server Source checkbox. Click the Cross (X) button to exit Advanced Options.

Advanced-Options-1
Advanced Options

8. To add the ISO file for your multiboot USB Drive, tick the checkbox corresponding to OS under Add to USB disk subheading. For example, we’re to add Windows 10 and 11 ISO Operating System Image.

Note that if the size of your ISO is larger than 4 Gb, it will show a message to split the file into parts. This is because you’ve chosen the FAT32 option. Click OK.
Insert-ISO-and-Press-Go
Windows 11 ISO Image

9. Click GO. A data deletion warning message will be displayed. This is because you’ve chosen to format the flash drive. Click Yes. Note: Ensure you double-check the name of the flash drive before clicking Yes. Else, you’ll end up formatting some other connected storage media.

Formatting-Prompt
Formatting Prompt

10. The second warning message displayed is the one telling you that all the partitions will be erased. Click Yes to continue.

Formatting-Prompt2
WinSetUpFromUSB

Note that in some cases you may be asked to give a name to the Windows Setup Boot Menu in your USB drive. This happens if you’re creating Windows 10 ISO Image file. If that happens, type the desired name in 45 seconds or it’ll auto select. Click Ok.

Naming-the-Second-ISO-File

The process will take a few minutes to finish.

Finally, click EXIT to finish.

Note from the above exercises, the ISO images were not added simultaneously. They were added one after the other. See the steps for adding additional ISO image files below to make your USB drive a Multiboot drive.

How to add the second ISO file in the Multiboot USB Disk?

  1. Adding a second, third or fourth ISO files to your USB depending on the size involves launching the tool again.
  2. Select the same flash drive in the drop-down menu.
  3. Click Advanced Options and look for Custom menu names for Vista/7/8/10/Server Source.
  4. Don’t Click Auto format with FBinst. That’s because it will remove your previous ISO files.
  5. Add the second ISO file for your multiboot USB.
  6. Click GO and repeat the steps mentioned earlier.

Follow the same process to add more ISO files.

What to do after making your multiboot USB?

Now that you have your multiboot USB up and running, it’s time to see it in action. Plug the flash drive into your computer and set the boot device to USB. Most desktops and laptops have a dedicated key to trigger the boot menu (which is often F9, or F12). After the multiboot USB loads, choose the desired operating system from the list.

In the above, we have learned about how to create a multiboot USB flash drive that allows you to choose between multiple operating systems at a time. You can use the same method to put a 32-bit version of the same OS in one bootable media and watch the game played out perfectly for you. Enjoy!!

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implant media
implant media
5 months ago

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