Installing Windows XP on a pure UEFI system (Class 3 UEFI) without a Compatibility Support Module (CSM) is a complex task because Windows XP was designed for the legacy BIOS and MBR (Master Boot Record) partition schemes. On modern hardware, you must overcome critical barriers such as the lack of native EFI bootloaders and the absence of VGA BIOS (Legacy Video). Core Technical Hurdles
If your motherboard has (common on 2020+ Intel and AMD systems), you have only two choices: install windows xp on uefi system exclusive
: Original XP media lack drivers for SATA (AHCI) or modern NVMe drives, leading to "0x0000007B" Blue Screens (BSOD). Installing Windows XP on a pure UEFI system
Modified ACPI.sys drivers (Created by community members like Moviestar or BlackWingCat). install windows xp on uefi system exclusive