Microsoft (Irish and British Alliance)

Microcomputer Software (better known as Microsoft) is a company that produces software for computers and is the main manufacturer and developer of the Microsoft XBOX console series. Best known for creating Microsoft Windows, which is a pretty widely used operating system that competes with IBM's OS/2 and Apple's Macintosh. Microsoft owns SEGA, and SEGA helps Microsoft in developing the XBOX, along with releasing the XBOX brand in Japan. Microsoft has sometimes been accused of monopolistic practices, especially regarding Windows.

Microsoft Windows
Microsoft Windows is an operating system for compatible computers. It is one of the most widely used operating systems in the world, along with OS/2. Windows aims for ease-of-use, as indicated by the name, and also by features in the OS that make it pretty easy to use. Many versions of Windows have been released over the years, some ran on different kernels, and the earliest ones didn't even run on a proprietary Windows kernel at all, and ran directly on top of MS-DOS. The versions include: