Stack Exchange Network

Stack Exchange network consists of 174 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange
2 edit to guide
source | link

If the old machine had a sticker, it was most likely an OEM license.

OEM licenses cannot legally be moved from one computer to another one. They die when the computer dies.

But, in answer to your question...

Load the old registry hive on your new computer and then find the XP key. -- EDIT make sure that you open the SOFTWARE hive instead of SYSTEM mentioned in the first guide, then open this just-opened-offline hive in the second guide.

If the old machine had a sticker, it was most likely an OEM license.

OEM licenses cannot legally be moved from one computer to another one. They die when the computer dies.

If the old machine had a sticker, it was most likely an OEM license.

OEM licenses cannot legally be moved from one computer to another one. They die when the computer dies.

But, in answer to your question...

Load the old registry hive on your new computer and then find the XP key. -- EDIT make sure that you open the SOFTWARE hive instead of SYSTEM mentioned in the first guide, then open this just-opened-offline hive in the second guide.

1
source | link

If the old machine had a sticker, it was most likely an OEM license.

OEM licenses cannot legally be moved from one computer to another one. They die when the computer dies.