How about a little research on the forum and start working yourself on the matter…
AMIBCP method (fails on several latest AMI V core bios)
GRUB method, example here: [Request] - Asus ROG STRIX z390-h 9th gen - unlocking HPET option in bios - BIOS/UEFI Modding / BIOS Modding Requests - Win-Raid Forum (level1techs.com)
Modern methods:
[GUIDE] Usage of AMI’s AptioV UEFI Editor + FPT Flash Method - BIOS/UEFI Modding / BIOS Modding Guides and Problems - Win-Raid Forum (level1techs.com)
[TOOL] UEFI Editor - BIOS/UEFI Modding / BIOS Modding Guides and Problems - Win-Raid Forum (level1techs.com)
Questions and issues, post it on the related threads, not here.