okay i had bought a oem os form new egg but i think my new build had windows 7 on it and i check it and is says oem key on my system computer but i want to know how can i see if the key i got now i did not use even tho i am sure but i really need to make sure maybe i did use it but for some reason it says oem but it did say the key was not working and i did talk to support whom told me to call them but anyways i just need to make sure 100000000% sure that i did not use it even tho ik i did LOl make sense right...kinda