type this into a text document titled font_changer.reg
Windows Registry Editor Version 5.00
; Created by: Shawn Brink
; Created on: August 27, 2022
; Updated on: September 1, 2023
; Tutorial: https://www.elevenforum.com/t/change-default-system-font-in-windows-11.8590/
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Fonts]
"Segoe UI (TrueType)"=""
"Segoe UI Bold (TrueType)"=""
"Segoe UI Bold Italic (TrueType)"=""
"Segoe UI Italic (TrueType)"=""
"Segoe UI Semibold (TrueType)"=""
"Segoe UI Symbol (TrueType)"=""
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\FontSubstitutes]
"Segoe UI"="Papyrus"
replace Papyrus with your font and run