A concise method of replacing the Windows XP serial number

If you need to change the serial number of Windows XP due to special circumstances, you can execute the program by pressing
1. In [Start] → [Execute] → [Regedit] → [HKEY_LOCAL_MACHINE] → [SOFTWARE] → [Microsoft]→
[Windows NT]→[CurrentVersion] Delete the first two values ​​[CA] of [OOBETimer] in [WPAEvents]
2. At [Start] → [Execute] →[oobe/msoobe /a]Go to [Startup Screen]→Select the second item [Phone Start]
3. In the next window, select [change product key] to modify the serial number and enter a new serial number. Click [update] to update and select [remind me later]
After restarting the computer, it should be displayed when [Start] → [Execute] → [oobe/msoobe /a] enters [Startup Screen].