This is a rare Microsoft Windows 7 Ultimate Signature Edition which is signed by Steve Ballmer, the former CEO of Microsoft. This operating system is Microsoft Windows 7 and it comes in a retail packaging.

The licence is the Ultimate Edition with a multilingual language option. This package consists of one unit and is designed to be used on a single device.

This is a valuable piece of software that is a must-have for all Microsoft lovers.

Signature printed on outer sleeve