How do I activate Windows XP OEM?
Windows XP ActivationClick the “Windows Activation” icon in the notification area in the bottom-right corner of your screen. Select Internet activation in the window that appears, and then click the “Next” button. Click “No, I don’t want to register now; let’s just activate Windows” and then click “Next.” You will be taken to the activation screen, where the activation wizard will establish a connection to the Microsoft servers and process your activation request.