Released in 2001, (the "XP" stands for "experience") marked a shift toward the NT architecture for home users, making it significantly more stable than the previous consumer-grade Windows 98. Autocad LT 2000 in Win8/32 - Forums, Autodesk

Windows 7 and Windows XP are often cited as the two most iconic and stable eras of the Microsoft Windows operating system. While XP prioritized lightweight speed and simplicity, Windows 7 modernized the experience with better hardware support and a refined user interface.