Windows 7 Pro Professional Key Global 32/64 Bit is a personal computer operating system that was produced by Microsoft as part of the Windows NT family of operating systems. It was released to manufacturing on July 22, 2009 and became generally available on October 22, 2009, less than three years after the release of its predecessor, Windows Vista.

Windows 7 Professional: Download Link

Windows 7 Professional is targeted towards enthusiasts, small-business users, and schools.[1] It includes all the features of Windows 7 Home Premium, and adds the ability to participate in a Windows Server domain.[1] Additional features include support for up to 192 GB of random-access memory (increased from 16 GB),[13] operating as a Remote Desktop server, location aware printing, backup to a network location, Encrypting File System, Presentation Mode, Software Restriction Policies (but not the extra management features of AppLocker) and Windows XP Mode.[1] It, too, was available in both 32-bit and 64-bit versions.