Which Microsoft operating system was released on October 25, 2001?

Which Microsoft operating system was released on October 25, 2001? Windows XP reached general retail release on that date.

Windows XP unified Microsoft’s consumer and business Windows lines around the Windows NT kernel. It replaced Windows Me for home users and Windows 2000 for professional users, making it the first consumer Windows edition built on the NT family rather than the older Windows 95-era architecture.

The date can cause confusion because Microsoft released Windows XP to manufacturing earlier, on August 24, 2001. Computer makers could also begin shipping PCs with XP in September, but October 25 marked its public retail availability. The name “XP” stood for “experience,” reflecting Microsoft’s marketing at the time.

Windows XP launched mainly in Home Edition and Professional Edition. Its colorful Luna interface and Bliss wallpaper became highly recognizable, while later service packs addressed major security and reliability concerns. Windows Vista eventually succeeded it, but XP remained widely used for many years.