modify your disk drive's Volume Serial Number
KRyLack Volume Serial Number Editor can modify your disk drive's Volume Serial Number (not hard disk's physical serial number which you can find at back of your hard disk), the format of Volume Serial Number is: XXXX-XXXX (X maybe 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, A, B, C, D, E, F).