By Bryce / Last Updated January 11, 2021

Need to create UEFI boot USB of Windows 10

“I have a Windows 10 based Dell computer with UEFI boot mode. Now I want to create a Windows 10 bootable USB and manage to boot my computer from it. Nevertheless, I don’t know what I should do? Is there anyone who can give me a detailed tutorial on how to make UEFI boot USB of Windows 10?”

Create UEFI bootable USB of Windows 10 from ISO using CMD

You can make Windows 10 bootable USB stick with supporting UEFI boot mode using CMD. Detailed steps are given below:

✎ Notices: Before the operation, you should prepare an ISO file; all data on the USB drive will be erased, you can backup files at first if you don’t want to lose them.

Step1. Insert your USB to the Windows 10 computer and ensure that it can be detected.

Step 2. Run Diskpart as administrator. Press Windows +R at the same time, input diskpart and hit Enter key.

Step 3. In Diskpart interface, run commands as follows:

▪ list disk
▪ select disk n
▪ clean
▪ create partition primary
▪ format fs=fat32 quick
▪ assign letter =x
▪ active
▪ exit


  • “n” refers to disk number of your USB drive; x is one of the available drive letters that can be assigned to the partition.

  • If you want to create Legacy bootable USB drive, replace format fs=fat32 with format fs=ntfs.

Step 4. Insert the Windows 10 installation CD/DVD into the PC and open File Explorer to locate the drive letter of the Windows CD/DVD drive and the USB drive.

Step 5. go to the boot folder of the Windows 10 ISO files by running the commands listed below:

  • g:

  • cd boot

Note: g is the drive letter of your mount drive as it appears in File Explorer.

Step 6. Then, run those commands and wait for the process to complete.

  • bootsect /nt60 N:

  • xcopy G:\*.* N:\ /E /F /H

Note: Replace G with the drive letter of your DVD and replace N with the drive letter of your USB flash drive;

After creating the UEFI boot USB drive of Windows 10 from ISO using CMD utility, you can insert the USB to the computer that you need to install operating system and boot from the USB drive to perform Windows installation.

Create UEFI bootable USB of Windows 10 via a GUI tool

The second way of making bootable USB stick of Windows 10 is to employ a reliable and easy-to-use third-party bootable USB maker tool – AOMEI Partition Assistant Standard. It can create Windows 10/8/7 bootable USB drive with backing both UEFI and Legacy boot mode. Free download it and do the following steps:

✎ Warning: This process will erase all data on the USB drive. Please back up important data in advance.

Step 1. Install it according to prompts and run it. Click Make Bootable Media under Wizards and click Next.

Make Bootable Media

Step 2. On this page, choose USB Boot Device and select USB drive. Then, click Proceed.

Choose USB Drive

Step 3. Click Yes to continue. When the process completes, click Finish.


With the bootable USB drive created by AOMEI Partition Assistant Standard, you can rebuild MBR or check & fix errors to repair boot failure if your operating system is unbootable, it also allows you to reformat system hard drive, delete C drive, and more. If you want to create Windows 10 bootable USB drive for a portable Windows environment, you can use Windows To Go Creator function in AOMEI Partition Assistant.


  • If you don’t have a USB stick like a USB flash drive but have a CD/DVD, you can choose Burn to CD/DVD in Step 2.

  • Upgrade to AOMEI Partition Assistant Professional, you can enjoy more advanced functions, including converting dynamic disk into basic, recovering lost partition and etc.

Wrap Things up

It’s not a tough task to create Legacy or UEFI boot USB of Windows 10 using Diskpart utility or third party software – AOMEI Partition Assistant Standard. You can choose one to make a bootable USB based on your own specific situation.