There are a few approaches to obtain a Windows XP ARM64 ISO:
However, you can still run Windows XP on ARM64 hardware (like Apple Silicon M1/M2/M3 Macs or Snapdragon PCs) through How to Run Windows XP on ARM64 windows xp arm64 iso
Developers have created UEFI firmware for the Raspberry Pi 4/5. This allows the Pi to boot Windows 10/11 on ARM. There are a few approaches to obtain a