I havebeen testing windows 7 for about one week now. It is now asking me for a product key. Can you assist me?

head back to the download page: http://www.microsoft.com/windows/windows-7/download.aspx and pick a key. no need to download again. the key is presented before the download. hth. * If you feel your question was answered helpfully, please mark the reply as the Answer, so others can find it. * If you are helped by an answer to another member's q-n-a, please vote for the thread as Helpful.