Hello! I have succesfully moded the F13 Bios of my Gigabyte 945 DQ6 mobo. I have also installed & activated the Dell key & certificate for Win 7 Ultimate x86. My question is: Can i use the same key & certificate for Win 7 x64? I have absolutelly no time for a failed format... Thank you. Yes you can Thank you very much dapbenjamin!