Hi, I have Windows 7 32-bit running on my Dell laptop. Now I want to install Windows 7-64 bit on my laptop for the sake of adding more RAM to it. Though, Microsoft has stopped providing Windows 7 ISO file, I can still download it using Genuine product key as mentioned in this article ( see the reference ). However, before proceeding with the installation I wanted to know whether I would be able to install Windows 7 64-bit using the Windows 32-bit product ID? Any help would be appreciated!