Hello there, I've got a registration key to upgrade my windows 7 home premium to windows professional but it says upgrade wasn't successful and I should get help. is there anyway anyone could help? much appreciated..

Please review: Error message when you install Windows Anytime Upgrade on a Windows 7-based computer: "Windows Anytime Upgrade was not successful"Carey Frisch

Hi, Please follow this article to upgrade to Windows 7 Professional. Upgrade to another edition of Windows 7 by using Windows Anytime Upgrade If any error message is received, please let us know.Tracy Cai TechNet Community Support