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How to Run/Boot Windows 10 from USB Drive

Updated on Aug 09, 2018 by Abby Haines to Todo Backup Resource

Summary:
Are you seeking ways to run or boot Windows 10 from a USB drive? This page shows you how to install Windows 10 to USB drive with a detailed step-by-step guide. Try it to create a bootable USB hard drive and use it to run Windows 10 on a PC whenever you want.

Why do you need a bootable USB drive?

As many users have experienced, Windows system sometimes is prone to be corrupted and then crash and stop working due to various reasons. As a result, the PC fails to boot and the hard drive data becomes inaccessible. This problem usually makes users who are urgent to work with their PC or view their important data crazy!  

What if you have a Windows bootable USB drive? Congratulations! Just go to BIOS, change the boot sequence, and then you can start your PC properly from the removable disk. 

  • Attention

♦ Use an external hard drive to create a bootable USB drive. The USB flash drive and pen drive are not able to help.

♦ Only the first partition of the USB flash drive or pen drive can be recognized by the Windows, while the second and subsequent partition drive letters cannot be allocated.

♦ For almost 99% of the Windows systems must have two partitions, the system partition, and the boot partition. If you clone Windows 10/8/7 to a USB flash drive or pen drive, only the first partition can be accessed. In this case, it cannot boot at all. So you must use an external hard drive!!

♦ Besides, the USB hard drive must have enough free space which is bigger than the system drive space!

Notable benefits of running or booting Windows 10 from a USB drive

Searching online, we can see that there are always some users ask for help on how to run Windows 10 from a USB hard drive as they can get so many notable benefits from the operation, for example: 

  • Getting their PC boot properly from the bootable USB hard drive even if Windows cannot be accessed from internal hard drive due to certain reasons. 
  • Install large programs on the USB hard drive so that they can to save internal disk space or use these programs on any other computers.

Are you one of such users who is seeking ways to boot Windows 10 from an external device? Read on, and you will find a step-by-step guide teaching you how to get the job done using Windows 10 USB bootable software.

The useful tool you need

Even though Microsoft offers users a Windows media creation tool that allows them to create Windows ISO image files on a USB or DVD to manage the job, it is still too difficult for "computer idiocy" to operate. Here, you need a free third-party backup software which can make the job easier.

First, EaseUS backup software is easy to operate. All you need to do is open the software and clone the system to your external hard drive. It is easy and fast.

Second, it can create a bootable Windows 10 USB hard drive that contains not only the operating system but also some installed application or even some personal data which guarantees that you can directly work with a computer without doing extra jobs after running Windows 10 from the external device. 

Download this free system clone software and boot Windows 10 from the USB.

Guide to run or boot Windows 10 from the USB hard drive

Step 1. Connect USB drive to your PC and run EaseUS Todo Backup. Click System Clone

The current system partition (Windows 10) and boot partition will be automatically selected.

click system clone to clone Windows 10

Step 2. Select the destination disk - USB drive to clone system drive (system and boot partition) to.
(Here you can identify whether your USB drive storage space is big enough or not.)

select the destination disk

Step 3. Click on Advanced options and tick Create a Portable Windows USB drive.

Step 4. Click Proceed to start cloning Windows 10 to USB.

start Windows 10 cloning by clicking proceed

After creating the bootable USB drive, you can use it to run Windows 10 on a PC whenever you want. But remember that you should first set the USB hard drive or external devices as the first boot device in BIOS. 

  • Connect your bootable USB to your computer and press F2 when you start the PC
  • In the BIOS interface, choose the bootable device as your first boot device. 

Then you can run Windows from your USB.