First, let’s see what you have now. Open .
A hexadecimal ID (e.g., XXXX-XXXX ) assigned by Windows when a partition is formatted. This is frequently used for software licensing and can be changed.
To change a hard disk's serial number, you'll need to use a command-line tool. There are a few options available, including:
sudo mkfs.ntfs -U 12345678 /dev/sda2