Feb 10, · Download Update for Windows 7 for x64- based Systems ( KBfrom Official Microsoft Download Center.
But literally it depends on your choice as we are not making any kind of comparison between the two Operating systems.
An operating system ( OS) is system software that manages computer hardware and software resources and provides common services for computer programs. Time- sharing operating systems schedule tasks for efficient use of the system and may also include accounting software for cost allocation of processor time, mass storage, printing, and other resources.
For hardware functions such as shopping for Microsoft Windows - Operating Systems from a great selection at Software Store.