32-bit 2021 - Windows Xp Professional

Prior to Windows XP, Microsoft maintained two separate tracks of Windows:

Windows XP Professional was a major release of the Microsoft Windows NT family of operating systems. Released in 2001, it succeeded Windows 2000 and Windows Me. It is widely considered one of the most significant operating systems in history due to its stability, user interface overhaul, and long market dominance. The "Professional" edition was designed for business environments and power users, offering advanced features not found in the "Home" edition, such as support for multiple processors and domain joining. windows xp professional 32-bit