Have original product key but no cd

I bought notebook few months ago(win7 home premium) and i have my original product key but i dont have CD, is it possible to download WIN7 Home premium somewhere and to use this key

Posted On: Wednesday 19th of September 2012 03:55:43 AM Total Views:  201
View Complete with Replies

Related Messages:

How long do I have?   (203 Views)
I've tried one version of Window 8 after another and just simply: DO NOT LIKE IT!!! How much longer (in general) do you think Windows 7 has before it becomes obsolete
REINSTALL PROBLEM W7, HELP!!! reinstall mess, I have lost all my work.   (305 Views)
I had a problem with the wi-fi driver on my HP Eletebook8440p running on Windows 7 Home Premium. I think I might of incorrectly reinstalled and lost my work. I backed-up as much as I could on dongles, but a month of work was not backed up. I have gone to the windows.old and the files have been recovered, but none of the work documents are there. What can I do please help