A family unit of operating systems which is been made by the Microsoft Corporation, and is generally set on most of the PCs. Windows 95, 98 and ME are the three generations of the version which is projected mainly for home use only; Windows NT and 2000, are been developed and released in equivalent with the 9x family, were projected more for use in office and network environments, allegedly more strong but frequently requiring a more powerful computer. The latest edition in Windows XP, is being made up to bring the two unlike "flavours" jointly in a unified whole.