Dec 16, Need to change your Windows XP product key? Make those changes easily Screenshot of opening msoobe in Windows XP. Run Command. Oct 26, In many cases, this command will look like: C:\windows\system32\oobe\msoobe. exe /a. At this point, Windows will launch the Product Activation. Jun 4, Microsoft has a forum where their people answer questions about validation. http ://gemeindenahe-psychiatrie-rlp.de?siteid= Mar 9, Heres what happened to me, I bought a VLK version of Windows XP Pro from my school through the Microsoft Academic Alliance. I upgraded.