Microsoft Windows 7 Ultimate Edition:

It’s been built from the ground up in an attempt to make one unified system that works across all platforms. It starts up and resumes fast, has more built-in security to help keep you safe, and is designed to work with software and hardware you already have.

Specifications:

PCs with Multi-Core Processors:

• Windows 7 was designed to work with today’s multi-core processors. All 64‑bit versions can support up to 256 processor cores.

PCs with multiple processors (CPUs):

• Commercial servers, workstations, and other high-end PCs may have more than one physical processor. Windows Ultimate allows for two physical processors, providing the best performance on these computers. Windows 7 Ultimate will recognize only one physical processor.