First step: disable anticheat (offline only)- https://www.nexusmods.com/eldenring/mods/90?tab=description

Steps:
extract the UXM folder to any directory
open UXM and click on browse. Then select eldenring.exe. Then click on unpack (make sure you have an extra 40 gigs of space at least)
drag and drop the modded dcx files into the newly created "parts" folder	(eldenring/game/parts)
open UXM again and click on patch
launch game
become naked elden lord

files:
underwear remover-- bd_f_0000.partsbnd.dcx and lg_f_0000.partsbnd.dcx
body texture--  fc_f_0000.partsbnd.dcx and fc_f_0100.partsbnd.dcx
(if you want to make your own body texture, use yabber to unpack and repack the dcx file. https://github.com/JKAnderson/Yabber/releases/tag/1.3.1)


Credits:
underwear remover and modding proccess- LowHorse from the elden ring modding discord
body texture- Jmedia7
UXM- unofficial elden ring build by Meowmaritus from the elden ring modding discord