In Windows XP, the support for multiple processors was limited compared to newer versions of Windows. Here's a breakdown of the processor support in different versions of Windows: 1. Windows XP: - Windows XP Professional supported up to two physical processors. - It could also support both single-core and dual-core processors, including scenarios like one dual-core processor or two single-core processors. - Windows XP Professional x64 Edition, which was specifically designed for 64-bit processors, also supported up to two physical processors. 2. Windows 7: - Windows 7 Professional, Enterprise, and Ultimate editions supported up to two physical processors. - The support for processor cores varied based on the edition: -...