Yes, there was a 64-bit version of XP called the Professional version, but no one I know had it. At the time, mid-2000s, no application programs took advantage of 64-bit code.


BIAB 2024 Win Audiophile. Software: Studio One 6.5 Pro, Swam horns, Acoustica-7, Notion 6; Win 11 Home. Hardware: Intel i9, 32 Gb; Roland Integra-7, Presonus Studio 192, Presonus Faderport 8, Royer 121, Adam Sub8 & Neumann 120 monitors