How to Change USB Serial Number in Windows 11/10/8/7?

You can change USB serial number quickly in Windows 10/8/7 with AOMEI Partition Assistant Professional.


By Dervish / Updated on May 12, 2023

Share this: instagram reddit

What is USB serial number

USB serial number is an identifying number created by the operating system to a USB flash drive during the process of creating the file system. Generally, the USB serial number is a string of numbers to identify a USB stick and to store the basic information of the USB. Apart from USB flash drive, other storage devices like a hard disk drive, SSD, SD card have their own serial number.

How to find or check USB serial number in Windows 11/10/8/7?

How to get the USB or other storage device serial number? For some USB devices, you can check serial number in the properties on Windows Explorer or using CMD. Open the Windows Explorer, and right-click the USB flash drive and select “Properties”. You will see the serial number under the “Details” tab.

If you can’t find the number on Windows Explorer, you can get USB serial number using CMD.

1. Press “Win + R” to open run box, and type “cmd” to enter Command Prompt.

2. Type the “dir [drive letter:]” command in the Prompt and press Enter.

Serial Number

How to change serial number in Windows 11/10/8/7? (with 2 methods)

For particular reasons, you may want to change or add the USB serial number for better managing USB and other disks. There are 2 ways offered to change USB serial number in Windows 11/10/8/7.

Method 1. Change USB serial number by formatting

The OS will randomly assign a string of numbers for your USB as the serial number when formatting. So we can format your USB flash drive to change the USB serial number

✍Warning: If there are important files on your USB drive, you can turn to method 2, or back up the USB firstly, because your USB needs to be formatted in this method.

Step 1. Double-click the PC icon, then right-click the USB flash drive and select “Format”.

Step 2. The information of the USB will be showed on a pop-up window, then click “Start”.

Format Change Serial Number

3. Open Command Prompt, and execute the command: dir [drive letter:] again, and you will find the USB serial number has been changed, different from above.

Serial Number Changed

Method 2. Change USB serial number without formatting

Formatting your USB will erase all the data on the USB. The serial number can be changed without formatting? Yes, it can. You can turn to a USB serial number changer-AOMEI Partition Assistant Professional. With this tool, you can change your USB serial number without formatting in a very quick and simple way. Let’s see the specific steps.

Free Download Win 11/10/8.1/8/7/XP
Secure Download

Step 1. Insert USB into a computer, and launch AOMEI Partition Assistant Professional. Right-click the USB, and choose “Advanced” > “Change Serial Number”.

Change Serial Number

Step 2. You can set the new USB serial number in this window like 123456.

New Serial Number

Step 3. Then click “Apply” to execute the operation.



This is how to change the serial number of a USB drive via two different methods in Windows. As you see, AOMEI Partition Assistant can help you to change USB serial number in 3 simple steps without data loss. Besides, you can utilize this serial number editor to change other storage drives like SD, HDD, SSD on computer. And it is compatible with Windows 11/10/8/8.1/7, Windows Vista and XP.

Moreover, AOMEI Partition Assistant is more than a USB serial number. It has many useful features to help you to manage disk, such as converting boot disk from MBR to GPT, restoring partition on USB drive, SSD secure erasing.

If the system of your computer is Windows Server, you can use AOMEI Partition Assistant Server Edition to perform the operation of changing USB serial number.

Dervish · Staff Editor
Dervish is an English editor of AOMEI Technology; He is delicated to offering users easy and effecitve solutions for issuses related to disks and partitoins. In his spare time, he enjoy wathcning films, playing footable, traveling and so on.