Installing Windows XP on a modern UEFI-based system in 2021 was once considered nearly impossible due to the lack of official support for UEFI Class 3 (non-CSM) hardware and modern drivers
: A reliable alternative for creating a multi-stage USB installer that handles the reboot requirements of XP's setup. Recommended Setup Steps (2021 Era) Windows XP (x64) on UEFI (+ Secure Boot!) Windows XP (x64) on UEFI (+ Secure Boot!) YouTube · LagLife install windows xp on uefi system 2021