[轉載] How to change the product key on windows 2003

以下方法雖然係引用其他師兄既, 但係小弟就過真係有效, 所以同大家分享一下.

By: Daniel Petri

Warning!
This document contains instructions for editing the registry. If you make any error while editing the registry, you can potentially cause Windows to fail or be unable to boot, requiring you to reinstall Windows. Edit the registry at your own risk. Always back up the registry before making any changes. If you do not feel comfortable editing the registry, do not attempt these instructions. Instead, seek the help of a trained computer specialist.

Note: Microsoft recommends that you run System Restore to create a new restore point before you complete the following steps:

1) Click Start, and then click Run.

2) In the Open box, type Regedit, and then click OK.

3) In the left pane, locate and then click the following registry key:

HKEY_LOCAL_MACHINE\Software\Microsoft\WindowsNT\Current Version\WPAEvents

4) In the right pane, right-click OOBETimer, and then click Modify.

5) Change at least one digit of this value to deactivate Windows.

6) Click Start, and then click Run.

7) In the Open box, type the following command, and then click OK.

%systemroot%\system32\oobe\msoobe.exe /a

8) Click Yes, I want to telephone a customer service representative to activate Windows, and then click Next.

9) Click Change Product key.

10) Type the new product key in the New key boxes, and then click Update. If you are returned to the previous window, click Remind me later, and then restart the computer.

11) Repeat steps 6 and 7 to verify that Windows is activated. You receive the following message:

12) Windows is already activated. Click OK to exit.

13) Click OK.

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