Microsoft Windows 7 Pro.

Microsoft Windows 7 Pro. Introduction

Genuine, OEM, Microsoft Windows 7 Professional, 32-Bit DVD, Full version Software Microsoft Windows 7 Professional is a computer operating system with a graphical user interface. OEM stands for "Original Equipment Manufacturer" and OEM software is a phrase that refers to software that is sold to computer builders and hardware manufacturers for the purpose of bundling with computer hardware with C.O.A attached to that hardware. C.O.A, or “Certificate of Authenticity” is the sticker located on a Computer/ Laptop systems that has a 25-digit license key for the Windows Operating System. The COA verifies the validity of the operating system confirming that it is genuine. OEM Software doesn't have own C.O.A. (Software only, no key included) but is open for installation with any available C.O.A (key) in same Windows category, in this case Windows 7 professional. Good to have as back up or to reinstall corrupted software on your PC or Laptop. Pick up and shipping available (shipping and handling fee within Canada is 7.00 $ ) Thanks for looking