NTLite or Slipstreamer to inject drivers directly into the installation ISO. Step-by-Step Installation Guide
: Since XP cannot talk to UEFI, you need a shim.
A modified ACPI driver (such as those created by community developer George King or Mov AX, 0x4C ) to bypass the 0xA5 BSOD.
Select the option or "Prepare USB thumbdrive for Windows Setup" . Target your modified Windows XP ISO. install windows xp on uefi system 2021
Older UEFI systems included a Compatibility Support Module (CSM) to emulate a Legacy BIOS. Modern "UEFI Class 3" systems have completely removed CSM, meaning the system cannot execute 16-bit real-mode code.
Place the Quibble EFI binaries ( bootx64.efi or bootia32.efi depending on your target architecture) into the \EFI\BOOT\ directory of your installation media structure.
Do not expose a bare-metal XP installation to the modern web, as it lacks modern security protocols and defenses against contemporary malware. NTLite or Slipstreamer to inject drivers directly into
Once you manage to boot into Windows (if successful), you may need to use tools like EasyBCD to configure the MBR to work within the hybrid UEFI/CSM environment.
Boot into your system's boot selection menu and select the USB drive. The traditional blue Windows Setup screen should appear.
Before starting, you must gather specialized tools and modified files developed by the vintage computing community. Select the option or "Prepare USB thumbdrive for
Post-Intel 6th Gen hardware often triggers an A05 error because XP's ACPI driver cannot handle newer power management protocols.
Installing on a modern UEFI-only system (post-2020 hardware) is extremely difficult because XP has no native support for UEFI or GPT. While "Legacy BIOS" or CSM (Compatibility Support Module) was once standard, many 2021+ systems have removed it entirely.
If your board provides a Compatibility Support Module, enable it and set storage/video options to "Legacy Only."