3. Microsoft is a company that produces computer software, video games, and is involved in a lot of research.
4. Operate System Video Games Micro Office Some of Microsoft's products include: Web Browser Gaming Consoles
5. Operating Systems Xenix MS-DOS With many upgrades Windows With many upgrades Windows NT With many upgrades Windows 2000 With many versions such as: Professional, Server, Advanced Server, Datacenter Server Windows XP With many editions such as: Starter. Home, Professional, 64-Bit, Media Center, Embedded Windows Vista With many different versions such as : Starter, Home , Business, Enterprise, Ultimate Windows Server 2008 With Many versions such as: Web Server, Standard Edition, Enterprise Edition, Datacenter Edition, for Itanium-based Systems Windows Mobile computing With many versions such as: Windows CE, Windows Mobile