This should open the Registry Editor.
Perhaps an end user purchased an additional retail license for XP but needs to use his original CD to install the software.For example, if you wanted to change the product key on an XP machine without SP1 and had already saved the script to root directory on the C: drive, you would click Start Run and enter the following command: C:changevlkey2600.vbs xxxxx-xxxxx-xxxxx-xxxxx-xxxxx Of course, xxxxx-xxxxx-xxxxx-xxxxx-xxxxx.5, change one or more digits to anything random.Alternatively rely on the support and specific tools from a 3rd party company computer network basics pdfs that complies with Microsoft policy.For example, perhaps a user installed a pirated copy of XP but now wants to go legal.It was going fine until I came to activation, which it would not allow in safe mode.Regardless of the method you choose, make sure to backup important data before changing a product ID, since an unexpected problem could render the machine unbootable and necessitate a complete reinstallation of Windows.Editing the registry (or any system file) is like surgery: BE careful!
Warning, the following instructions involve editing your system registry.Tips Buy a genuine product key if yours is not genuine.Community Q A, search, add New Question.Now, it's time to reactivate Windows using your new product key.You can verify this by running the /a command again.3, navigate to the following registry key.
Method 2 Windows Product Key Updater 1, click here to download the Windows Key Updater Tool.
So I restarted, and it said, "Do you want to activate Windows now?" When I answered Yes, it said, "Windows is already activated.