These tools can prepare a USB drive with a special UEFI bootloader for XP.
Even with a patched ISO, your BIOS settings must be precise. Navigate to your UEFI setup and toggle the following: install windows xp on uefi system exclusive
You will need the backported "Generic USB 3.0" drivers to use your mouse and keyboard. These tools can prepare a USB drive with
Modern GPUs don't support VGA bios. You must include a universal VBE or UEFI GOP driver so the installer can actually render the setup screens. Phase 3: BIOS Configuration install windows xp on uefi system exclusive
Download the "Fernando’s Modded SATA Drivers" and integrate them via nLite. Without these, the installer will fail to find your hard drive.
Ensure your ISO is Windows XP Service Pack 3 (x86 is generally more stable for this).