Set the CPU model to an older x86 chip (like a Pentium 3 or 4) and allocate 512MB to 1024MB of RAM.
There was, however, a separate, distant cousin known as (and later Windows Embedded Compact), which ran on ARM. This was a totally different kernel designed for PDAs, early smartphones, and ATMs. It is not Windows XP and cannot run XP software. windows xp arm64 iso
Emulators struggle to pass modern GPU power into a legacy x86 guest OS. Do not expect to play demanding 3D games like Half-Life 2 or Doom 3 at smooth framerates. Simple 2D games and productivity software work fine. Set the CPU model to an older x86