>Would you mind if you could help to make a code using VfP6 to get the serial number of HDD or Nec Card?

Mike

It is not the most accurate thing to do, as it can be changed, and you would also penalize the user that upgrades a HD or has the HD die and be replaced, but for starters, take a look at:

Re: Serial Number - Motherboard/Hard Disk Thread #660123 Message #660195
GetVolumeInformation Thread #634647 Message #634647
H.D. serial number Thread #604569 Message #604569