Windows XP Windows XP (stylised as Windows xp; codenamed Whistler) is a that was produced by as part of the family of operating systems. Lenovo X200 Drivers Windows 10. The operating system was released to manufacturing on August 24, 2001, and generally released for retail sale on October 25, 2001. Microsoft Shared Fax Driver Windows 10. How To Update Intel Drivers Windows 10 here. Development of Windows XP began in the late 1990s as ', an operating system built on the which was intended specifically for mainstream consumer use—an updated version of was also originally planned for the business market. However, in January 2000, both projects were shelved in favor of a single OS codenamed 'Whistler', which would serve as a single OS platform for both consumer and business markets. Windows XP was a major advance from the versions of in security, stability and efficiency due to its use of Windows NT underpinnings.